Q: Is 77,985 a Prime Number?

A: No, 77,985 is not a prime number.

Why is 77,985 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 77985 can be evenly divided by 1 3 5 9 15 45 1,733 5,199 8,665 15,597 25,995 and 77,985, with no remainder.

Since 77,985 cannot be divided by just 1 and 77,985, it is not a prime number.

Number	77,983	77,984	77,986	77,987
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).

General Questions

Factoring Questions

Calculation Questions

Miscellaneous Questions