Q: Is 171,457 a Prime Number?

A: No, 171,457 is not a prime number.

Why is 171,457 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 171457 can be evenly divided by 1 11 13 109 121 143 1,199 1,417 1,573 13,189 15,587 and 171,457, with no remainder.

Since 171,457 cannot be divided by just 1 and 171,457, it is not a prime number.

Number	171,455	171,456	171,458	171,459
Prime?	no	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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