Q: Is 312 a Prime Number?

 A: No, 312 is not a prime number.

Why is 312 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 312 can be evenly divided by 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 and 312, with no remainder.

Since 312 cannot be divided by just 1 and 312, it is not a prime number.


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  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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