Q: Is 121,220 a Prime Number?

 A: No, 121,220 is not a prime number.

Why is 121,220 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 121220 can be evenly divided by 1 2 4 5 10 11 19 20 22 29 38 44 55 58 76 95 110 116 145 190 209 220 290 319 380 418 551 580 638 836 1,045 1,102 1,276 1,595 2,090 2,204 2,755 3,190 4,180 5,510 6,061 6,380 11,020 12,122 24,244 30,305 60,610 and 121,220, with no remainder.

Since 121,220 cannot be divided by just 1 and 121,220, it is not a prime number.


More Examples

Number 121,218121,219121,221121,222
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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