Q: Is 121,210 a Prime Number?

 A: No, 121,210 is not a prime number.

Why is 121,210 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 121210 can be evenly divided by 1 2 5 10 17 23 31 34 46 62 85 115 155 170 230 310 391 527 713 782 1,054 1,426 1,955 2,635 3,565 3,910 5,270 7,130 12,121 24,242 60,605 and 121,210, with no remainder.

Since 121,210 cannot be divided by just 1 and 121,210, it is not a prime number.


More Examples

Number 121,208121,209121,211121,212
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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