Q: Is 142,120,209 a Prime Number?

 A: No, 142,120,209 is not a prime number.

Why is 142,120,209 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 142120209 can be evenly divided by 1 3 7 11 19 21 33 57 77 133 209 231 399 627 1,463 4,389 32,381 97,143 226,667 356,191 615,239 680,001 1,068,573 1,845,717 2,493,337 4,306,673 6,767,629 7,480,011 12,920,019 20,302,887 47,373,403 and 142,120,209, with no remainder.

Since 142,120,209 cannot be divided by just 1 and 142,120,209, it is not a prime number.


More Examples

Number 142,120,207142,120,208142,120,210142,120,211
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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