Q: Is 19,506,990 a Composite Number?

Why is 19,506,990 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 19,506,990 can be evenly divided by 1 2 3 5 6 10 15 17 23 30 34 46 51 69 85 102 115 138 170 230 255 345 391 510 690 782 1,173 1,663 1,955 2,346 3,326 3,910 4,989 5,865 8,315 9,978 11,730 16,630 24,945 28,271 38,249 49,890 56,542 76,498 84,813 114,747 141,355 169,626 191,245 229,494 282,710 382,490 424,065 573,735 650,233 848,130 1,147,470 1,300,466 1,950,699 3,251,165 3,901,398 6,502,330 9,753,495 and 19,506,990, with no remainder.

Since 19,506,990 cannot be divided by just 1 and 19,506,990, 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).