Q: Is 618,660 a Composite Number?

Why is 618,660 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 618,660 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 491 630 982 1,260 1,473 1,964 2,455 2,946 3,437 4,419 4,910 5,892 6,874 7,365 8,838 9,820 10,311 13,748 14,730 17,185 17,676 20,622 22,095 29,460 30,933 34,370 41,244 44,190 51,555 61,866 68,740 88,380 103,110 123,732 154,665 206,220 309,330 and 618,660, with no remainder.

Since 618,660 cannot be divided by just 1 and 618,660, 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).