Q: Is 172,940 a Prime Number?

A: No, 172,940 is not a prime number.

Why is 172,940 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 172940 can be evenly divided by 1 2 4 5 10 20 8,647 17,294 34,588 43,235 86,470 and 172,940, with no remainder.

Since 172,940 cannot be divided by just 1 and 172,940, it is not a prime number.

Number	172,938	172,939	172,941	172,942
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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