Q: Is 121,720 a Prime Number?

 A: No, 121,720 is not a prime number.

Why is 121,720 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 121720 can be evenly divided by 1 2 4 5 8 10 17 20 34 40 68 85 136 170 179 340 358 680 716 895 1,432 1,790 3,043 3,580 6,086 7,160 12,172 15,215 24,344 30,430 60,860 and 121,720, with no remainder.

Since 121,720 cannot be divided by just 1 and 121,720, it is not a prime number.


More Examples

Number 121,718121,719121,721121,722
Prime? nonoyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 121,720:


Ask a Question