Q: Is 42,111,420 a Prime Number?

 A: No, 42,111,420 is not a prime number.

Why is 42,111,420 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 42111420 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 169 195 260 338 390 507 676 780 845 1,014 1,690 2,028 2,535 3,380 4,153 5,070 8,306 10,140 12,459 16,612 20,765 24,918 41,530 49,836 53,989 62,295 83,060 107,978 124,590 161,967 215,956 249,180 269,945 323,934 539,890 647,868 701,857 809,835 1,079,780 1,403,714 1,619,670 2,105,571 2,807,428 3,239,340 3,509,285 4,211,142 7,018,570 8,422,284 10,527,855 14,037,140 21,055,710 and 42,111,420, with no remainder.

Since 42,111,420 cannot be divided by just 1 and 42,111,420, 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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