Q: Is 123,939 a Prime Number?

A: No, 123,939 is not a prime number.

Why is 123,939 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 123939 can be evenly divided by 1 3 9 47 141 293 423 879 2,637 13,771 41,313 and 123,939, with no remainder.

Since 123,939 cannot be divided by just 1 and 123,939, it is not a prime number.

Number	123,937	123,938	123,940	123,941
Prime?	no	no	no	yes

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

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