Q: Is 255,475 a Prime Number?

A: No, 255,475 is not a prime number.

Why is 255,475 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 255475 can be evenly divided by 1 5 11 25 55 275 929 4,645 10,219 23,225 51,095 and 255,475, with no remainder.

Since 255,475 cannot be divided by just 1 and 255,475, it is not a prime number.

Number	255,473	255,474	255,476	255,477
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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