Q: Is 255,425 a Prime Number?

A: No, 255,425 is not a prime number.

Why is 255,425 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 255425 can be evenly divided by 1 5 17 25 85 425 601 3,005 10,217 15,025 51,085 and 255,425, with no remainder.

Since 255,425 cannot be divided by just 1 and 255,425, it is not a prime number.

Number	255,423	255,424	255,426	255,427
Prime?	no	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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