Q: Is 31,397,904 a Composite Number?

Why is 31,397,904 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 31,397,904 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 37 48 71 72 74 83 111 142 144 148 166 213 222 249 284 296 332 333 426 444 498 568 592 639 664 666 747 852 888 996 1,136 1,278 1,328 1,332 1,494 1,704 1,776 1,992 2,556 2,627 2,664 2,988 3,071 3,408 3,984 5,112 5,254 5,328 5,893 5,976 6,142 7,881 9,213 10,224 10,508 11,786 11,952 12,284 15,762 17,679 18,426 21,016 23,572 23,643 24,568 27,639 31,524 35,358 36,852 42,032 47,144 47,286 49,136 53,037 55,278 63,048 70,716 73,704 94,288 94,572 106,074 110,556 126,096 141,432 147,408 189,144 212,148 218,041 221,112 282,864 378,288 424,296 436,082 442,224 654,123 848,592 872,164 1,308,246 1,744,328 1,962,369 2,616,492 3,488,656 3,924,738 5,232,984 7,849,476 10,465,968 15,698,952 and 31,397,904, with no remainder.

Since 31,397,904 cannot be divided by just 1 and 31,397,904, 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).