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Q: Why 65 is composite?

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Yes , 65 Is Composite (:

65 is composite

The only composite number that is a factor of 65 is 65 itself.

both composite

composite :D

Composite. Because 65 can be divided by 5. So factors could be 1,65,13,5 etc.

composite. 1 x 65 and 5 x 13composite number65 is a composite number.

Yes.

It is a composite number.

If a number has any other factors besides ' 1 ' and itself. then it's composite. The factors of 65 are 1, 5, 13, and 65. So it's composite. Do you see that ' 5 ' on the end of 65 ? Right there, no matter what comes before it, that ' 5 ' on the end tells you that a number is divisible by 5, so it can't be a prime.

The only composite factor of 65 is 65. The composite factors of 80 are 4, 8, 10, 16, 20, 40, 80

65

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