Q: Is 145,120,420 a Prime Number?

 A: No, 145,120,420 is not a prime number.

Why is 145,120,420 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 145120420 can be evenly divided by 1 2 4 5 10 20 109 218 436 545 1,090 2,180 66,569 133,138 266,276 332,845 665,690 1,331,380 7,256,021 14,512,042 29,024,084 36,280,105 72,560,210 and 145,120,420, with no remainder.

Since 145,120,420 cannot be divided by just 1 and 145,120,420, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 145,120,420:


Ask a Question