Q: Is 5,121,872 a Composite Number?

Why is 5,121,872 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 5,121,872 can be evenly divided by 1 2 4 7 8 14 16 28 47 49 56 94 98 112 139 188 196 278 329 376 392 556 658 752 784 973 1,112 1,316 1,946 2,224 2,303 2,632 3,892 4,606 5,264 6,533 6,811 7,784 9,212 13,066 13,622 15,568 18,424 26,132 27,244 36,848 45,731 52,264 54,488 91,462 104,528 108,976 182,924 320,117 365,848 640,234 731,696 1,280,468 2,560,936 and 5,121,872, with no remainder.

Since 5,121,872 cannot be divided by just 1 and 5,121,872, 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).