Q: Is 42,240,154 a Prime Number?

 A: No, 42,240,154 is not a prime number.

Why is 42,240,154 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 42240154 can be evenly divided by 1 2 11 19 22 38 139 209 278 418 727 1,454 1,529 2,641 3,058 5,282 7,997 13,813 15,994 27,626 29,051 58,102 101,053 151,943 202,106 303,886 1,111,583 1,920,007 2,223,166 3,840,014 21,120,077 and 42,240,154, with no remainder.

Since 42,240,154 cannot be divided by just 1 and 42,240,154, 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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