Q: Is 511,980 a Composite Number?

Why is 511,980 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 511,980 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 42 46 53 60 69 70 84 92 105 106 115 138 140 159 161 210 212 230 265 276 318 322 345 371 420 460 483 530 636 644 690 742 795 805 966 1,060 1,113 1,219 1,380 1,484 1,590 1,610 1,855 1,932 2,226 2,415 2,438 3,180 3,220 3,657 3,710 4,452 4,830 4,876 5,565 6,095 7,314 7,420 8,533 9,660 11,130 12,190 14,628 17,066 18,285 22,260 24,380 25,599 34,132 36,570 42,665 51,198 73,140 85,330 102,396 127,995 170,660 255,990 and 511,980, with no remainder.

Since 511,980 cannot be divided by just 1 and 511,980, 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).