Q: Is 11,521 a Prime Number?

A: No, 11,521 is not a prime number.

Why is 11,521 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 11521 can be evenly divided by 1 41 281 and 11,521, with no remainder.

Since 11,521 cannot be divided by just 1 and 11,521, it is not a prime number.

Number	11,519	11,520	11,522	11,523
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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