Q: Is 121,940 a Prime Number?

 A: No, 121,940 is not a prime number.

Why is 121,940 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 121940 can be evenly divided by 1 2 4 5 7 10 13 14 20 26 28 35 52 65 67 70 91 130 134 140 182 260 268 335 364 455 469 670 871 910 938 1,340 1,742 1,820 1,876 2,345 3,484 4,355 4,690 6,097 8,710 9,380 12,194 17,420 24,388 30,485 60,970 and 121,940, with no remainder.

Since 121,940 cannot be divided by just 1 and 121,940, it is not a prime number.


More Examples

Number 121,938121,939121,941121,942
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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