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Answered 2009-02-28 20:26:32

A number is divisible by 4 if the last two digits form a number that is divisible by 4, e.g. 312 is divisible by 4 (because 12 is divisible by 4).

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How can you tell if a number is divisible by 4?

A number is divisible by 4 if the last two digits form a number that is divisible by 4, for example 612 is divisible by 4 (because 12 is divisible by 4).


How can you tell if a number is divisible by 12?

If it's divisible by 3 and 4, it's divisible by 12.


Is it true that a number is divisible by 8 if it divisible by 4 and divisible by 2?

Being divisible by 4, means that it will also be divisible by 2, so that doesn't tell you anything about divisibility by 8. But if you divide the number by 2, and this quotient is divisible by 4, then yes the original number is divisible by 8.


How do you tell if a number is divisible by four?

If the last two digits of a number are divisible by four, the whole number is divisible by four. This is related to the fact that 100 is a multiple of 4.For example, 12885212 is divisible by 4, because 12 is divisible by 4. No need to divide the entire number.


A number is divisible by 4 if the tens and one digits.?

A number is divisible by 4 if the last two digits are divisible by 4.A number is divisible by 4 if the last two digits are divisible by 4.A number is divisible by 4 if the last two digits are divisible by 4.A number is divisible by 4 if the last two digits are divisible by 4.


How do you see if it is divisible by 4?

The foolproof way is to divide 4 into it. If the answer is a whole number, it's divisible by 4. You can also tell by looking at it. If the last two digits are a multiple of 4, like 24 or 80, the whole number is divisible by 4.


How do you tell if a number is prime or not?

A prime number is one that has only two factors: one and itself.You can tell if a number is prime quickly by using the Laws of Divisibility:Numbers that end in 0, 2, 4, 6, and 8 are divisible by 2.If the sum of a number's digit is divisible by 3, the number itself is divisible by 3.If the last two digits of a number are divisible by 4, the number itself is divisible by 4.If a number ends in 0 or 5, it is divisible by 5.If a number is divisible by both 2 and 3, it is divisible by 6.If you double the last digit and subtract it from the rest of the number and the answer is 0 or divisible by 7, it is divisible by 7. For example, 4364: 4 doubled is 8. 436 - 8 = 424. You still cannot readily tell if the number is divisible by 7, so you can do it again: 4 doubled is 8. 42 - 8 = 34. 34 is not divisible by 7 so 436 is not divisible by 7If the last three digits of a number are divisible by 8, the number itself is divisible by 8.If the sum of the digits of a number is divisible by 9, the number itself is divisible by 9.If a number ends with 0, it is divisible by 10.If you add every other digit and then subtract the rest of the digits and the answer is 0 or is divisible by 11, the number itself is divisible by 11. For example: 1364: 1+ 6 = 7 and 7 - 3 - 4 = 0. The number is divisible by 11.If the number is divisible by 3 and 4, it is divisible by 12.There are more divisibility rules that can be used for large numbers.


How do you find out if a number is divisible by 4?

If the last two digits of a number are divisible by 4, the whole number is divisible by 4.


How do you know if a number is divisible by 4?

Get the last two digits of the number. If that number is divisible by 4 then that number is divisible by 4. Example : 2393844 The last two digits are 44 and since 44/4 = 11 or 44 is divisible by 4 then the number 2,393,844 is divisible by 4.


How can you tell if a number can be exactly divided by eight?

You can tell if the last 2 digits of the number can be divisible by 4 or 8. So the number 3156372856374856386578365864would be divisible by 8 because 8 can go into 64.


Is 634 divisible 4?

No. If the last two digits of a number are divisible by 4, then the whole number is divisible by 4. So, 34 is not divisible by 4, therefore 634 is not divisible by 4.


How do you know if somthing is divisible by 4?

A number is divisible by 4 if the number formed by its last two digits is divisible by 4.Equivalently, halve the number formed by the last two digits. If the quotient is even, then the original number is divisible by 4.


How do you know if the number is divisible by 4?

If the last two digits are divisible by 4, the whole number is divisible by 4.


Why do you only need to look at the last two digits of a number to know if it is divisible by 4?

If a number is divisible by 4, the last two digits are divisible by 4. For example, the number 314 is not divisible by 4, but 316 is divisible by 4, because 16 is divisible by 4.


If 4 is divisible by a number will 8 be too?

4 is divisible by 1, 2 and 4. So is 8. If a number is divisible by 8, it will also be divisible by 4.


Is 1124 divisible by 4?

Yes 1124 is divisible by 4. Since 24 is divisible by 4 1124 is divisible by 4. If the last two numbers of a number are divisible by 4, the number is divisible by 4. 24 divided by 4 is 6.


Is 319 divisible by 2?

No. 319 is not divisible by 2. An easy way to tell If a number is divisible by 2 is that it will end with an even number (eg. 2, 4, 6, 8.. etc).


If a number is divisible by 2 then its divisible by 4?

That is not necessarily the case. 6 is divisible by 2, but not by 4.Actually, if the last two digits can be divisible by 4 then the whole number is divisible by 4. Hi! But if a number is divisible by four then it is divisible by 2. But not the other way around.


How do you find if a number is divisible by 4?

If the last number is divisible by 4 then the whole number is divisable by 4


What are the divisibity rules of 4?

if the number formed by the last two digits is divisible by 4, then the whole number will be divisible by 4 for example, 932 is divisible by 4 because 32 is divisible by 4 19935 is not divisible by 4 because 35 is not divisible by 4 (note: if the last two digits are 00, the number is divisible by 4)


What is the number that is Divisible by 4 but not by 2?

There can't be any such number.' 4 ' itself is divisible by 2, so any number divisible by 4 must also be divisible by 2.


How do you explain that even without listing all the factors of a number it is easy to tell that they are composite numbers?

To know if a number is composite without listing its factors, you can use these rules:All numbers that end with 2, 4, 6, 8, and 0 (even numbers) are divisible by 2.If the sum of the digits in a number is divisible by 3, the number is divisible by 3.If the last two digits are divisible by 4, the number is divisible by 4.All numbers that have 5 in the one's place are divisible by 5.If a number is divisible by 2 AND is divisible by 3, it is divisible by 6.If the last 3 digits of a number are divisible by 8, the number is divisible by 8.If the sum of the digits of number is divisible by 9, the number is divisible by 9.If a number ends wuth 0, the number is divisible by 10.


How do you know if a number is divisible by 4 explain why?

A number is divisible by 4 if the last two digits are divisible by 4, because every multiple of 100 is divisible by 4.


Is a number divisible by 4 also divisible by 2 provide your answer?

Yes, any number that is divisible by 4 is also divisible by 2.


How do you know of a number is divisible by 4?

The 4 times table will show that a number is divisible by 4. Therefore, times any number, odd or even, by 4: the answer will be divisible by 4.


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