Q: Is 120,220,225 a Prime Number?

 A: No, 120,220,225 is not a prime number.

Why is 120,220,225 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 120220225 can be evenly divided by 1 5 25 29 79 145 395 725 1,975 2,099 2,291 10,495 11,455 52,475 57,275 60,871 165,821 304,355 829,105 1,521,775 4,145,525 4,808,809 24,044,045 and 120,220,225, with no remainder.

Since 120,220,225 cannot be divided by just 1 and 120,220,225, it is not a prime number.


More Examples

Number 120,220,223120,220,224120,220,226120,220,227
Prime? yesnonono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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