Q: Is 12,420,680 a Composite Number?

Why is 12,420,680 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 12,420,680 can be evenly divided by 1 2 4 5 8 10 19 20 38 40 59 76 95 118 152 190 236 277 295 380 472 554 590 760 1,108 1,121 1,180 1,385 2,216 2,242 2,360 2,770 4,484 5,263 5,540 5,605 8,968 10,526 11,080 11,210 16,343 21,052 22,420 26,315 32,686 42,104 44,840 52,630 65,372 81,715 105,260 130,744 163,430 210,520 310,517 326,860 621,034 653,720 1,242,068 1,552,585 2,484,136 3,105,170 6,210,340 and 12,420,680, with no remainder.

Since 12,420,680 cannot be divided by just 1 and 12,420,680, 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).