Q: Is 72,720,543 a Composite Number?

Why is 72,720,543 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 72,720,543 can be evenly divided by 1 3 7 17 19 21 51 57 71 119 133 151 213 323 357 399 453 497 969 1,057 1,207 1,349 1,491 2,261 2,567 2,869 3,171 3,621 4,047 6,783 7,701 8,449 8,607 9,443 10,721 17,969 20,083 22,933 25,347 28,329 32,163 48,773 53,907 60,249 68,799 75,047 146,319 160,531 182,257 203,699 225,141 341,411 481,593 546,771 611,097 1,024,233 1,275,799 1,425,893 3,462,883 3,827,397 4,277,679 10,388,649 24,240,181 and 72,720,543, with no remainder.

Since 72,720,543 cannot be divided by just 1 and 72,720,543, 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).