Q: Is 525,221 a Prime Number?

A: Yes, 525,221 is a prime number.

Why is 525,221 a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 525221 can be evenly divided by 1 and 525,221, with no remainder.

Since 525,221 can be divided by just 1 and 525,221, it is a prime number.

Number	525,219	525,220	525,222	525,223
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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