Q: Is 143,745 a Prime Number?

A: No, 143,745 is not a prime number.

Why is 143,745 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 143745 can be evenly divided by 1 3 5 7 15 21 35 37 105 111 185 259 555 777 1,295 1,369 3,885 4,107 6,845 9,583 20,535 28,749 47,915 and 143,745, with no remainder.

Since 143,745 cannot be divided by just 1 and 143,745, it is not a prime number.

Number	143,743	143,744	143,746	143,747
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