Q: Is 100,045 a Prime Number?

A: No, 100,045 is not a prime number.

Why is 100,045 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 100045 can be evenly divided by 1 5 11 17 55 85 107 187 535 935 1,177 1,819 5,885 9,095 20,009 and 100,045, with no remainder.

Since 100,045 cannot be divided by just 1 and 100,045, it is not a prime number.

Number	100,043	100,044	100,046	100,047
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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