Q: Is 671,143 a Prime Number?

A: No, 671,143 is not a prime number.

Why is 671,143 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 671143 can be evenly divided by 1 11 17 37 97 187 407 629 1,067 1,649 3,589 6,919 18,139 39,479 61,013 and 671,143, with no remainder.

Since 671,143 cannot be divided by just 1 and 671,143, it is not a prime number.

Number	671,141	671,142	671,144	671,145
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