Q: Is 142,321 a Prime Number?

A: No, 142,321 is not a prime number.

Why is 142,321 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 142321 can be evenly divided by 1 31 4,591 and 142,321, with no remainder.

Since 142,321 cannot be divided by just 1 and 142,321, it is not a prime number.

Number	142,319	142,320	142,322	142,323
Prime?	yes	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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