Q: Is 12,554,550 a Composite Number?

Why is 12,554,550 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 12,554,550 can be evenly divided by 1 2 3 5 6 9 10 15 18 23 25 30 45 46 50 69 75 90 115 138 150 207 225 230 345 414 450 575 690 1,035 1,150 1,213 1,725 2,070 2,426 3,450 3,639 5,175 6,065 7,278 10,350 10,917 12,130 18,195 21,834 27,899 30,325 36,390 54,585 55,798 60,650 83,697 90,975 109,170 139,495 167,394 181,950 251,091 272,925 278,990 418,485 502,182 545,850 697,475 836,970 1,255,455 1,394,950 2,092,425 2,510,910 4,184,850 6,277,275 and 12,554,550, with no remainder.

Since 12,554,550 cannot be divided by just 1 and 12,554,550, 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).