Q: Is 1,427,580 a Composite Number?

Why is 1,427,580 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 1,427,580 can be evenly divided by 1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 28 30 33 35 36 42 44 45 55 60 63 66 70 77 84 90 99 103 105 110 126 132 140 154 165 180 198 206 210 220 231 252 308 309 315 330 385 396 412 420 462 495 515 618 630 660 693 721 770 924 927 990 1,030 1,133 1,155 1,236 1,260 1,386 1,442 1,540 1,545 1,854 1,980 2,060 2,163 2,266 2,310 2,772 2,884 3,090 3,399 3,465 3,605 3,708 4,326 4,532 4,620 4,635 5,665 6,180 6,489 6,798 6,930 7,210 7,931 8,652 9,270 10,197 10,815 11,330 12,978 13,596 13,860 14,420 15,862 16,995 18,540 20,394 21,630 22,660 23,793 25,956 31,724 32,445 33,990 39,655 40,788 43,260 47,586 50,985 64,890 67,980 71,379 79,310 95,172 101,970 118,965 129,780 142,758 158,620 203,940 237,930 285,516 356,895 475,860 713,790 and 1,427,580, with no remainder.

Since 1,427,580 cannot be divided by just 1 and 1,427,580, 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).