Q: Is 31,211,488 a Composite Number?

Why is 31,211,488 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 31,211,488 can be evenly divided by 1 2 4 7 8 11 14 16 22 28 32 44 53 56 77 88 106 112 154 176 212 224 239 308 352 371 424 478 583 616 742 848 956 1,166 1,232 1,484 1,673 1,696 1,912 2,332 2,464 2,629 2,968 3,346 3,824 4,081 4,664 5,258 5,936 6,692 7,648 8,162 9,328 10,516 11,872 12,667 13,384 16,324 18,403 18,656 21,032 25,334 26,768 32,648 36,806 42,064 50,668 53,536 65,296 73,612 84,128 88,669 101,336 130,592 139,337 147,224 177,338 202,672 278,674 294,448 354,676 405,344 557,348 588,896 709,352 975,359 1,114,696 1,418,704 1,950,718 2,229,392 2,837,408 3,901,436 4,458,784 7,802,872 15,605,744 and 31,211,488, with no remainder.

Since 31,211,488 cannot be divided by just 1 and 31,211,488, 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).