Q: Is 679,770 a Composite Number?

Why is 679,770 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 679,770 can be evenly divided by 1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 35 39 42 45 63 65 70 78 83 90 91 105 117 126 130 166 182 195 210 234 249 273 315 390 415 455 498 546 581 585 630 747 819 830 910 1,079 1,162 1,170 1,245 1,365 1,494 1,638 1,743 2,158 2,490 2,730 2,905 3,237 3,486 3,735 4,095 5,229 5,395 5,810 6,474 7,470 7,553 8,190 8,715 9,711 10,458 10,790 15,106 16,185 17,430 19,422 22,659 26,145 32,370 37,765 45,318 48,555 52,290 67,977 75,530 97,110 113,295 135,954 226,590 339,885 and 679,770, with no remainder.

Since 679,770 cannot be divided by just 1 and 679,770, 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).