Q: Is 12,558,420 a Composite Number?

Why is 12,558,420 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 12,558,420 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1,260 9,967 19,934 29,901 39,868 49,835 59,802 69,769 89,703 99,670 119,604 139,538 149,505 179,406 199,340 209,307 279,076 299,010 348,845 358,812 418,614 448,515 598,020 627,921 697,690 837,228 897,030 1,046,535 1,255,842 1,395,380 1,794,060 2,093,070 2,511,684 3,139,605 4,186,140 6,279,210 and 12,558,420, with no remainder.

Since 12,558,420 cannot be divided by just 1 and 12,558,420, 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).