Q: Is 225,216 a Composite Number?

Why is 225,216 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 225,216 can be evenly divided by 1 2 3 4 6 8 9 12 16 17 18 23 24 32 34 36 46 48 51 64 68 69 72 92 96 102 136 138 144 153 184 192 204 207 272 276 288 306 368 391 408 414 544 552 576 612 736 782 816 828 1,088 1,104 1,173 1,224 1,472 1,564 1,632 1,656 2,208 2,346 2,448 3,128 3,264 3,312 3,519 4,416 4,692 4,896 6,256 6,624 7,038 9,384 9,792 12,512 13,248 14,076 18,768 25,024 28,152 37,536 56,304 75,072 112,608 and 225,216, with no remainder.

Since 225,216 cannot be divided by just 1 and 225,216, 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).