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If a number is divisible by both three and four, it's divisible by twelve.
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∙ 11y ago
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How can you tell if 1234 is divisible by 7?
Divide the number by thirteen. If the answer comes out even with no remainder, the number is divisible by thirteen.
What is 12 divisible by?
All multiples of 12, which is an infinite number.
How do you know the number 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.
What is the smallest number divisible by 12 between 400 and 500?
408 = 12 x 34
Which number is divisible by 3 and 5 601848 or 12?
Both are divisible by 3 and 5 12/3 = 4 12/5 = 2.4 601848/3 = 200616 601848/5 = 40123.2 However both are only divisible by 3 with no remainder.
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 do you tell at a glance that 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, e.g. 312 is divisible by 4 (because 12 is divisible by 4).
How do you tell if a number is divisible by 3?
If the sum of the digits can be divided by 3. 93 is divisible by 3 because 9+3=12 we know 12 is divisible by 3 because 1+2=3 so the number is divisible by 3.
How can you tell that 642 is divisible by 3?
You can add up the digits, 6+4+2=12 and if that number is divisible by three, so it the original number. So 12 is certainly divisible by 3 so that means 642 is also.
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.
Can a number be divisible by 6 and 12?
Absolutely - any number that is divisible by 12 - is also divisible by 6 !
Write a rule to determine when a number is divisible by 12?
A number is divisible by 12 if it is divisible by 3 AND it is divisible by 4. Rule 1a (Divisibility by 3): Add up all the digits of the number. Is this number divisible by 3? Rule 1b (Divisibility by 4): Is the number formed by the last two digits of the original number (the number left after deleting the hundreds, thousands, millions etc) divisible by 4? If the answer to 1a is NO, then the number is not divisible by 3 and so not divisible by 12. In this case, obviously, rule 1b is irrelevant. If the answer to 1b is NO, then the number is not divisible by 4 and so not divisible by 12. If the answer to both 1a and 1b is YES, then the number is divisible by 12.
How do you tell if a number is divisible by 2?
If it ends with an even number then it is divisible by 2
What is a divisible number by 3?
6, 9, 12, 30, 60, 90, 360, 690, 930, or (162,591). Here's a secret: If the sum of a number's digits is divisible by 3, then the number is divisible by 3. That's how you can tell quickly that 162,591 is divisible by 3.
Is 12 divisible by 336?
No. 12 cannot be divisible by any number bigger than 12.
How many numbers between 201 and 301 are divisible by both 3 and 4?
To be divisible by 3 and 4 the number must be divisible by 12. 201/12 = 16.75 so the smallest number in the range, divisible by 12, is 17*12 = 204 301/12 = 25.08 so the largest number in the range, divisible by 12, is 25*12 = 300 The number of multiples of 12 is 25 - 16 = 9
Is a number divisible by 12 is divisible by both 2 and 6?
Yes, because 12 is divisible by 2 and 6.
