Q: Is 31,142 a Prime Number?

A: No, 31,142 is not a prime number.

Why is 31,142 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 31142 can be evenly divided by 1 2 23 46 677 1,354 15,571 and 31,142, with no remainder.

Since 31,142 cannot be divided by just 1 and 31,142, it is not a prime number.

Number	31,140	31,141	31,143	31,144
Prime?	no	no	no	no

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

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