Q: Is 312,620 a Composite Number?

Why is 312,620 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 312,620 can be evenly divided by 1 2 4 5 7 10 11 14 20 22 28 29 35 44 49 55 58 70 77 98 110 116 140 145 154 196 203 220 245 290 308 319 385 406 490 539 580 638 770 812 980 1,015 1,078 1,276 1,421 1,540 1,595 2,030 2,156 2,233 2,695 2,842 3,190 4,060 4,466 5,390 5,684 6,380 7,105 8,932 10,780 11,165 14,210 15,631 22,330 28,420 31,262 44,660 62,524 78,155 156,310 and 312,620, with no remainder.

Since 312,620 cannot be divided by just 1 and 312,620, 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).