Q: Is 3,157,700 a Composite Number?

Why is 3,157,700 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 3,157,700 can be evenly divided by 1 2 4 5 7 10 13 14 20 25 26 28 35 50 52 65 70 91 100 130 140 175 182 260 325 347 350 364 455 650 694 700 910 1,300 1,388 1,735 1,820 2,275 2,429 3,470 4,511 4,550 4,858 6,940 8,675 9,022 9,100 9,716 12,145 17,350 18,044 22,555 24,290 31,577 34,700 45,110 48,580 60,725 63,154 90,220 112,775 121,450 126,308 157,885 225,550 242,900 315,770 451,100 631,540 789,425 1,578,850 and 3,157,700, with no remainder.

Since 3,157,700 cannot be divided by just 1 and 3,157,700, 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).