Q: Is 42,777,500 a Prime Number?

 A: No, 42,777,500 is not a prime number.

Why is 42,777,500 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 42777500 can be evenly divided by 1 2 4 5 10 20 25 50 71 100 125 142 241 250 284 355 482 500 625 710 964 1,205 1,250 1,420 1,775 2,410 2,500 3,550 4,820 6,025 7,100 8,875 12,050 17,111 17,750 24,100 30,125 34,222 35,500 44,375 60,250 68,444 85,555 88,750 120,500 150,625 171,110 177,500 301,250 342,220 427,775 602,500 855,550 1,711,100 2,138,875 4,277,750 8,555,500 10,694,375 21,388,750 and 42,777,500, with no remainder.

Since 42,777,500 cannot be divided by just 1 and 42,777,500, 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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