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Q: How can you tell if a number is divisible by 13?

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A number is divisible by 13 if it is a multiple of 13. In other words, 13 times a number results in a big number that is divisible by 13.

13 and all its multiples are divisible by 13.

Some positive numbers are divisible by 13, but not all of them.

The number 70 is divisible by 13, but not evenly.

Every number divisible by 10 is divisible by 5.

If it ends with an even number then it is divisible by 2

The number 143 is divisible by 1, 11, 13, and 143.

No 13 is not divisible by 3 because there would be a remainder of 1 and a number that is divisible by another should have no remainder

-10

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

If it's even and divisible by 3, it's divisible by 6.

221 is divisible by 1, 13, 17, and 221.

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).

if the last digit is even or 0, a number is divisible by 2!

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).

Yes, it is divisible by 13 (it is 13 squared).

No 13 is not a composite number. 13 is only divisible by 1 and itself. So it is a prime number.

The divisibility rule for 3 is as follows: If the sum of the digits of a number is divisible by 3 then the number is divisible by 3. For example, the number 21 is divisible by 3 since 2+1=3, and 3 is divisible by 3. The number 49 is not divisible by 3 since 4+9=13, and 13 is not divisible by 3.

Yes, it is divisible by 1, 13, 79, 1027.

975

No. Consider 13 or 23.

No. It is divisible by 13 and 71.

1170 is.

No. 2197 is divisible by 13.

No, it is divisible by 3 and 13