Q: Is 111,987 a Prime Number?

A: No, 111,987 is not a prime number.

Why is 111,987 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 111987 can be evenly divided by 1 3 9 23 69 207 541 1,623 4,869 12,443 37,329 and 111,987, with no remainder.

Since 111,987 cannot be divided by just 1 and 111,987, it is not a prime number.

Number	111,985	111,986	111,988	111,989
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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