Q: Is 172,159 a Prime Number?

A: No, 172,159 is not a prime number.

Why is 172,159 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 172159 can be evenly divided by 1 13 17 19 41 221 247 323 533 697 779 4,199 9,061 10,127 13,243 and 172,159, with no remainder.

Since 172,159 cannot be divided by just 1 and 172,159, it is not a prime number.

Number	172,157	172,158	172,160	172,161
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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