Q: Is 721,056 a Composite Number?

Why is 721,056 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 721,056 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 37 42 48 56 58 74 84 87 96 111 112 116 148 168 174 203 222 224 232 259 296 336 348 406 444 464 518 592 609 672 696 777 812 888 928 1,036 1,073 1,184 1,218 1,392 1,554 1,624 1,776 2,072 2,146 2,436 2,784 3,108 3,219 3,248 3,552 4,144 4,292 4,872 6,216 6,438 6,496 7,511 8,288 8,584 9,744 12,432 12,876 15,022 17,168 19,488 22,533 24,864 25,752 30,044 34,336 45,066 51,504 60,088 90,132 103,008 120,176 180,264 240,352 360,528 and 721,056, with no remainder.

Since 721,056 cannot be divided by just 1 and 721,056, 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).