Q: Is 72,381 a Prime Number?

A: No, 72,381 is not a prime number.

Why is 72,381 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 72381 can be evenly divided by 1 3 23 69 1,049 3,147 24,127 and 72,381, with no remainder.

Since 72,381 cannot be divided by just 1 and 72,381, it is not a prime number.

Number	72,379	72,380	72,382	72,383
Prime?	yes	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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