Q: Is 137,145 a Prime Number?

A: No, 137,145 is not a prime number.

Why is 137,145 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 137145 can be evenly divided by 1 3 5 15 41 123 205 223 615 669 1,115 3,345 9,143 27,429 45,715 and 137,145, with no remainder.

Since 137,145 cannot be divided by just 1 and 137,145, it is not a prime number.

Number	137,143	137,144	137,146	137,147
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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