Q: Is 42,055,120 a Prime Number?

 A: No, 42,055,120 is not a prime number.

Why is 42,055,120 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 42055120 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 521 1,009 1,042 2,018 2,084 2,605 4,036 4,168 5,045 5,210 8,072 8,336 10,090 10,420 16,144 20,180 20,840 40,360 41,680 80,720 525,689 1,051,378 2,102,756 2,628,445 4,205,512 5,256,890 8,411,024 10,513,780 21,027,560 and 42,055,120, with no remainder.

Since 42,055,120 cannot be divided by just 1 and 42,055,120, 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).

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