Q: Is 42,261,744 a Prime Number?

 A: No, 42,261,744 is not a prime number.

Why is 42,261,744 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 42261744 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 73 84 112 146 168 219 292 336 438 511 584 876 1,022 1,168 1,533 1,723 1,752 2,044 3,066 3,446 3,504 4,088 5,169 6,132 6,892 8,176 10,338 12,061 12,264 13,784 20,676 24,122 24,528 27,568 36,183 41,352 48,244 72,366 82,704 96,488 125,779 144,732 192,976 251,558 289,464 377,337 503,116 578,928 754,674 880,453 1,006,232 1,509,348 1,760,906 2,012,464 2,641,359 3,018,696 3,521,812 5,282,718 6,037,392 7,043,624 10,565,436 14,087,248 21,130,872 and 42,261,744, with no remainder.

Since 42,261,744 cannot be divided by just 1 and 42,261,744, 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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