Q: Is 123,403,042 a Prime Number?

 A: No, 123,403,042 is not a prime number.

Why is 123,403,042 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 123403042 can be evenly divided by 1 2 7 14 109 193 218 386 419 763 838 1,351 1,526 2,702 2,933 5,866 21,037 42,074 45,671 80,867 91,342 147,259 161,734 294,518 319,697 566,069 639,394 1,132,138 8,814,503 17,629,006 61,701,521 and 123,403,042, with no remainder.

Since 123,403,042 cannot be divided by just 1 and 123,403,042, 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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