Q: Is 31,875 a Prime Number?

A: No, 31,875 is not a prime number.

Why is 31,875 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 31875 can be evenly divided by 1 3 5 15 17 25 51 75 85 125 255 375 425 625 1,275 1,875 2,125 6,375 10,625 and 31,875, with no remainder.

Since 31,875 cannot be divided by just 1 and 31,875, it is not a prime number.

Number	31,873	31,874	31,876	31,877
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