Q: Is 149,940 a Composite Number?

Why is 149,940 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 149,940 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 28 30 34 35 36 42 45 49 51 60 63 68 70 84 85 90 98 102 105 119 126 140 147 153 170 180 196 204 210 238 245 252 255 294 306 315 340 357 420 441 476 490 510 588 595 612 630 714 735 765 833 882 980 1,020 1,071 1,190 1,260 1,428 1,470 1,530 1,666 1,764 1,785 2,142 2,205 2,380 2,499 2,940 3,060 3,332 3,570 4,165 4,284 4,410 4,998 5,355 7,140 7,497 8,330 8,820 9,996 10,710 12,495 14,994 16,660 21,420 24,990 29,988 37,485 49,980 74,970 and 149,940, with no remainder.

Since 149,940 cannot be divided by just 1 and 149,940, 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).