Q: Is 3,205,620 a Composite Number?

Why is 3,205,620 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 3,205,620 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1,619 1,980 3,238 4,857 6,476 8,095 9,714 14,571 16,190 17,809 19,428 24,285 29,142 32,380 35,618 48,570 53,427 58,284 71,236 72,855 89,045 97,140 106,854 145,710 160,281 178,090 213,708 267,135 291,420 320,562 356,180 534,270 641,124 801,405 1,068,540 1,602,810 and 3,205,620, with no remainder.

Since 3,205,620 cannot be divided by just 1 and 3,205,620, 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).