Q: Is 170,820 a Composite Number?

Why is 170,820 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 170,820 can be evenly divided by 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 73 78 90 117 130 146 156 180 195 219 234 260 292 365 390 438 468 585 657 730 780 876 949 1,095 1,170 1,314 1,460 1,898 2,190 2,340 2,628 2,847 3,285 3,796 4,380 4,745 5,694 6,570 8,541 9,490 11,388 13,140 14,235 17,082 18,980 28,470 34,164 42,705 56,940 85,410 and 170,820, with no remainder.

Since 170,820 cannot be divided by just 1 and 170,820, 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).