Q: Is 150,921 a Prime Number?

A: No, 150,921 is not a prime number.

Why is 150,921 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 150921 can be evenly divided by 1 3 9 41 123 369 409 1,227 3,681 16,769 50,307 and 150,921, with no remainder.

Since 150,921 cannot be divided by just 1 and 150,921, it is not a prime number.

Number	150,919	150,920	150,922	150,923
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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