Q: Is 42,231,040 a Prime Number?

 A: No, 42,231,040 is not a prime number.

Why is 42,231,040 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 42231040 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1,280 32,993 65,986 131,972 164,965 263,944 329,930 527,888 659,860 1,055,776 1,319,720 2,111,552 2,639,440 4,223,104 5,278,880 8,446,208 10,557,760 21,115,520 and 42,231,040, with no remainder.

Since 42,231,040 cannot be divided by just 1 and 42,231,040, 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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