Q: Is 322,140 a Composite Number?

Why is 322,140 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 322,140 can be evenly divided by 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 59 60 65 70 78 84 91 105 118 130 140 156 177 182 195 210 236 260 273 295 354 364 390 413 420 455 546 590 708 767 780 826 885 910 1,092 1,180 1,239 1,365 1,534 1,652 1,770 1,820 2,065 2,301 2,478 2,730 3,068 3,540 3,835 4,130 4,602 4,956 5,369 5,460 6,195 7,670 8,260 9,204 10,738 11,505 12,390 15,340 16,107 21,476 23,010 24,780 26,845 32,214 46,020 53,690 64,428 80,535 107,380 161,070 and 322,140, with no remainder.

Since 322,140 cannot be divided by just 1 and 322,140, 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).