Q: Is 21,198,336 a Composite Number?

Why is 21,198,336 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 21,198,336 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 37 48 64 74 96 111 128 148 192 222 256 296 373 384 444 512 592 746 768 888 1,119 1,184 1,492 1,536 1,776 2,238 2,368 2,984 3,552 4,476 4,736 5,968 7,104 8,952 9,472 11,936 13,801 14,208 17,904 18,944 23,872 27,602 28,416 35,808 41,403 47,744 55,204 56,832 71,616 82,806 95,488 110,408 143,232 165,612 190,976 220,816 286,464 331,224 441,632 572,928 662,448 883,264 1,324,896 1,766,528 2,649,792 3,533,056 5,299,584 7,066,112 10,599,168 and 21,198,336, with no remainder.

Since 21,198,336 cannot be divided by just 1 and 21,198,336, 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).