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What is the converse inverse and contrapositive If every digit of a number is divisible by 3 then the number is divisible by 3?
Converse:If a number is divisible by 3, then every number of a digit is divisible by three. Inverse: If every digit of a number is not divisible by 3 then the number is not divisible by 3? Contrapositive:If a number is not divisible by 3, then every number of a digit is not divisible by three.
If every digit of a number is dividable by 3 then the number itself is divisible by 3?
I'm not quite sure about that theory, but if all the numbers in the number add up to a number that's dividable by 3, then the number itself would then be divisible by 3. Ex. 141 1+4+1= 6 6 is divisible by 3, so 141 is too. 141/3= 47.
What is divisible by 593?
Every multiple of 593 is divisible by 593: 593, 1186, 1779, 2372, and so on.
What number is not divisible by 9?
Every number is divisible by 9 but the answer wont necessarily be a whole number.
How many 2 digit numbers are divisible by 7?
All 2 digit numbers are divisible by 7: it is simply that some of the quotients are not whole numbers. 10/7 = 1 3/7 99/7 = 14 1/7 So the number of 2-digit numbers which are evenly divisible by 7 are 14-1 = 13.
What is the converse inverse and contrapositive If every digit of a number is divisible by 3 then the number is divisible by 3?
Converse:If a number is divisible by 3, then every number of a digit is divisible by three. Inverse: If every digit of a number is not divisible by 3 then the number is not divisible by 3? Contrapositive:If a number is not divisible by 3, then every number of a digit is not divisible by three.
What number is divisible by 10 but not 5?
Every number divisible by 10 is divisible by 5.
What is a 3 digit number divisible by 2?
every alternate number from 100 to 998
What four digit number are divisible by 3 and 6?
Every sixth number from 1,002 to 9,996 is divisible by 3 and 6. There are 1,500 of them.
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.
Is 102 divisible by 102?
Yes. Every non-zero number is divisible by itself.
If every digit of a number is dividable by 3 then the number itself is divisible by 3?
I'm not quite sure about that theory, but if all the numbers in the number add up to a number that's dividable by 3, then the number itself would then be divisible by 3. Ex. 141 1+4+1= 6 6 is divisible by 3, so 141 is too. 141/3= 47.
What two numbers are every number divisible by?
One and itself.
Is it true that every number has at least 2 divisors?
Yes. Every number is divisible by itself or 1.
What are some three-digit numbers divisible by 5?
Every three-digit number that ends with a zero or a 5 is divisible by 5.It doesn't matter what the first 2 digits are.
Is 1795 a prime number?
1795 is a composite number because it is divisible by 5. Every number (except 5) ending with digit 5 or 0 is divisible by 5.
What three digit number is divisible by 3 and 5 but not divisible by 10?
135. Every increase of 30 is also. Such as 165, 195, 225.
