Q: Is 231,825 a Prime Number?

A: No, 231,825 is not a prime number.

Why is 231,825 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 231825 can be evenly divided by 1 3 5 11 15 25 33 55 75 165 275 281 825 843 1,405 3,091 4,215 7,025 9,273 15,455 21,075 46,365 77,275 and 231,825, with no remainder.

Since 231,825 cannot be divided by just 1 and 231,825, it is not a prime number.

Number	231,823	231,824	231,826	231,827
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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