Q: Is 31,420,512 a Composite Number?

Why is 31,420,512 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 31,420,512 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 79 96 144 158 237 288 316 474 632 711 948 1,264 1,381 1,422 1,896 2,528 2,762 2,844 3,792 4,143 5,524 5,688 7,584 8,286 11,048 11,376 12,429 16,572 22,096 22,752 24,858 33,144 44,192 49,716 66,288 99,432 109,099 132,576 198,864 218,198 327,297 397,728 436,396 654,594 872,792 981,891 1,309,188 1,745,584 1,963,782 2,618,376 3,491,168 3,927,564 5,236,752 7,855,128 10,473,504 15,710,256 and 31,420,512, with no remainder.

Since 31,420,512 cannot be divided by just 1 and 31,420,512, 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).