Q: Is 31,801 a Prime Number?

A: No, 31,801 is not a prime number.

Why is 31,801 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 31801 can be evenly divided by 1 7 11 49 59 77 413 539 649 2,891 4,543 and 31,801, with no remainder.

Since 31,801 cannot be divided by just 1 and 31,801, it is not a prime number.

Number	31,799	31,800	31,802	31,803
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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