Q: Is 145,185,042 a Prime Number?

 A: No, 145,185,042 is not a prime number.

Why is 145,185,042 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 145185042 can be evenly divided by 1 2 3 6 19 38 57 114 223 446 669 1,338 4,237 5,711 8,474 11,422 12,711 17,133 25,422 34,266 108,509 217,018 325,527 651,054 1,273,553 2,547,106 3,820,659 7,641,318 24,197,507 48,395,014 72,592,521 and 145,185,042, with no remainder.

Since 145,185,042 cannot be divided by just 1 and 145,185,042, 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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