Q: Is 42,002,121 a Prime Number?

 A: No, 42,002,121 is not a prime number.

Why is 42,002,121 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 42002121 can be evenly divided by 1 3 7 17 21 29 51 87 119 203 357 493 609 1,479 3,451 4,057 10,353 12,171 28,399 68,969 85,197 117,653 206,907 352,959 482,783 823,571 1,448,349 2,000,101 2,470,713 6,000,303 14,000,707 and 42,002,121, with no remainder.

Since 42,002,121 cannot be divided by just 1 and 42,002,121, 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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