Q: Is 31,871,616 a Composite Number?

Why is 31,871,616 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 31,871,616 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 71 84 96 112 128 142 167 168 192 213 224 284 334 336 384 426 448 497 501 568 668 672 852 896 994 1,002 1,136 1,169 1,336 1,344 1,491 1,704 1,988 2,004 2,272 2,338 2,672 2,688 2,982 3,408 3,507 3,976 4,008 4,544 4,676 5,344 5,964 6,816 7,014 7,952 8,016 9,088 9,352 10,688 11,857 11,928 13,632 14,028 15,904 16,032 18,704 21,376 23,714 23,856 27,264 28,056 31,808 32,064 35,571 37,408 47,428 47,712 56,112 63,616 64,128 71,142 74,816 82,999 94,856 95,424 112,224 142,284 149,632 165,998 189,712 190,848 224,448 248,997 284,568 331,996 379,424 448,896 497,994 569,136 663,992 758,848 995,988 1,138,272 1,327,984 1,517,696 1,991,976 2,276,544 2,655,968 3,983,952 4,553,088 5,311,936 7,967,904 10,623,872 15,935,808 and 31,871,616, with no remainder.

Since 31,871,616 cannot be divided by just 1 and 31,871,616, 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).