Q: Is 78,137,700 a Composite Number?

Why is 78,137,700 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 78,137,700 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 181 300 362 543 724 905 1,086 1,439 1,810 2,172 2,715 2,878 3,620 4,317 4,525 5,430 5,756 7,195 8,634 9,050 10,860 13,575 14,390 17,268 18,100 21,585 27,150 28,780 35,975 43,170 54,300 71,950 86,340 107,925 143,900 215,850 260,459 431,700 520,918 781,377 1,041,836 1,302,295 1,562,754 2,604,590 3,125,508 3,906,885 5,209,180 6,511,475 7,813,770 13,022,950 15,627,540 19,534,425 26,045,900 39,068,850 and 78,137,700, with no remainder.

Since 78,137,700 cannot be divided by just 1 and 78,137,700, 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).