Q: Is 178,920 a Composite Number?

Why is 178,920 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 178,920 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 71 72 84 90 105 120 126 140 142 168 180 210 213 252 280 284 315 355 360 420 426 497 504 568 630 639 710 840 852 994 1,065 1,260 1,278 1,420 1,491 1,704 1,988 2,130 2,485 2,520 2,556 2,840 2,982 3,195 3,976 4,260 4,473 4,970 5,112 5,964 6,390 7,455 8,520 8,946 9,940 11,928 12,780 14,910 17,892 19,880 22,365 25,560 29,820 35,784 44,730 59,640 89,460 and 178,920, with no remainder.

Since 178,920 cannot be divided by just 1 and 178,920, 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).