Q: Is 42,773,490 a Prime Number?

 A: No, 42,773,490 is not a prime number.

Why is 42,773,490 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 42773490 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 31 45 62 90 93 155 186 279 310 465 558 930 1,395 2,790 15,331 30,662 45,993 76,655 91,986 137,979 153,310 229,965 275,958 459,930 475,261 689,895 950,522 1,379,790 1,425,783 2,376,305 2,851,566 4,277,349 4,752,610 7,128,915 8,554,698 14,257,830 21,386,745 and 42,773,490, with no remainder.

Since 42,773,490 cannot be divided by just 1 and 42,773,490, 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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