Q: Is 505,225 a Prime Number?

A: No, 505,225 is not a prime number.

Why is 505,225 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 505225 can be evenly divided by 1 5 7 25 35 175 2,887 14,435 20,209 72,175 101,045 and 505,225, with no remainder.

Since 505,225 cannot be divided by just 1 and 505,225, it is not a prime number.

Number	505,223	505,224	505,226	505,227
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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