Q: Is 13,451,240 a Composite Number?

Why is 13,451,240 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 13,451,240 can be evenly divided by 1 2 4 5 8 10 11 19 20 22 38 40 44 55 76 88 95 110 152 190 209 220 380 418 440 760 836 1,045 1,609 1,672 2,090 3,218 4,180 6,436 8,045 8,360 12,872 16,090 17,699 30,571 32,180 35,398 61,142 64,360 70,796 88,495 122,284 141,592 152,855 176,990 244,568 305,710 336,281 353,980 611,420 672,562 707,960 1,222,840 1,345,124 1,681,405 2,690,248 3,362,810 6,725,620 and 13,451,240, with no remainder.

Since 13,451,240 cannot be divided by just 1 and 13,451,240, 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).