Q: Is 67,872,740 a Prime Number?

 A: No, 67,872,740 is not a prime number.

Why is 67,872,740 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 67872740 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 281 562 929 1,124 1,405 1,858 2,810 3,653 3,716 4,645 5,620 7,306 9,290 12,077 14,612 18,265 18,580 24,154 36,530 48,308 60,385 73,060 120,770 241,540 261,049 522,098 1,044,196 1,305,245 2,610,490 3,393,637 5,220,980 6,787,274 13,574,548 16,968,185 33,936,370 and 67,872,740, with no remainder.

Since 67,872,740 cannot be divided by just 1 and 67,872,740, 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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