Q: Is 581,560 a Composite Number?

Why is 581,560 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 581,560 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 67 70 124 134 140 155 217 248 268 280 310 335 434 469 536 620 670 868 938 1,085 1,240 1,340 1,736 1,876 2,077 2,170 2,345 2,680 3,752 4,154 4,340 4,690 8,308 8,680 9,380 10,385 14,539 16,616 18,760 20,770 29,078 41,540 58,156 72,695 83,080 116,312 145,390 290,780 and 581,560, with no remainder.

Since 581,560 cannot be divided by just 1 and 581,560, 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).