Q: Is 231,225 a Prime Number?

A: No, 231,225 is not a prime number.

Why is 231,225 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 231225 can be evenly divided by 1 3 5 15 25 75 3,083 9,249 15,415 46,245 77,075 and 231,225, with no remainder.

Since 231,225 cannot be divided by just 1 and 231,225, it is not a prime number.

Number	231,223	231,224	231,226	231,227
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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