Q: Is 31,779,408 a Composite Number?

Why is 31,779,408 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 31,779,408 can be evenly divided by 1 2 3 4 6 8 12 16 24 43 48 86 89 129 172 173 178 258 267 344 346 356 516 519 534 688 692 712 1,032 1,038 1,068 1,384 1,424 2,064 2,076 2,136 2,768 3,827 4,152 4,272 7,439 7,654 8,304 11,481 14,878 15,308 15,397 22,317 22,962 29,756 30,616 30,794 44,634 45,924 46,191 59,512 61,232 61,588 89,268 91,848 92,382 119,024 123,176 178,536 183,696 184,764 246,352 357,072 369,528 662,071 739,056 1,324,142 1,986,213 2,648,284 3,972,426 5,296,568 7,944,852 10,593,136 15,889,704 and 31,779,408, with no remainder.

Since 31,779,408 cannot be divided by just 1 and 31,779,408, 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).