Q: Is 1,251,744 a Composite Number?

Why is 1,251,744 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,251,744 can be evenly divided by 1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 59 68 78 96 102 104 118 136 156 177 204 208 221 236 272 312 354 408 416 442 472 544 624 663 708 767 816 884 944 1,003 1,248 1,326 1,416 1,534 1,632 1,768 1,888 2,006 2,301 2,652 2,832 3,009 3,068 3,536 4,012 4,602 5,304 5,664 6,018 6,136 7,072 8,024 9,204 10,608 12,036 12,272 13,039 16,048 18,408 21,216 24,072 24,544 26,078 32,096 36,816 39,117 48,144 52,156 73,632 78,234 96,288 104,312 156,468 208,624 312,936 417,248 625,872 and 1,251,744, with no remainder.

Since 1,251,744 cannot be divided by just 1 and 1,251,744, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).