Q: Is 628,680 a Composite Number?

Why is 628,680 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 628,680 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 31 39 40 52 60 62 65 78 93 104 120 124 130 155 156 169 186 195 248 260 310 312 338 372 390 403 465 507 520 620 676 744 780 806 845 930 1,014 1,209 1,240 1,352 1,560 1,612 1,690 1,860 2,015 2,028 2,418 2,535 3,224 3,380 3,720 4,030 4,056 4,836 5,070 5,239 6,045 6,760 8,060 9,672 10,140 10,478 12,090 15,717 16,120 20,280 20,956 24,180 26,195 31,434 41,912 48,360 52,390 62,868 78,585 104,780 125,736 157,170 209,560 314,340 and 628,680, with no remainder.

Since 628,680 cannot be divided by just 1 and 628,680, 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).