Q: Is 2,125,890 a Composite Number?

Why is 2,125,890 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 2,125,890 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 23 26 30 39 45 46 65 69 78 79 90 115 117 130 138 158 195 207 230 234 237 299 345 390 395 414 474 585 598 690 711 790 897 1,027 1,035 1,170 1,185 1,422 1,495 1,794 1,817 2,054 2,070 2,370 2,691 2,990 3,081 3,555 3,634 4,485 5,135 5,382 5,451 6,162 7,110 8,970 9,085 9,243 10,270 10,902 13,455 15,405 16,353 18,170 18,486 23,621 26,910 27,255 30,810 32,706 46,215 47,242 54,510 70,863 81,765 92,430 118,105 141,726 163,530 212,589 236,210 354,315 425,178 708,630 1,062,945 and 2,125,890, with no remainder.

Since 2,125,890 cannot be divided by just 1 and 2,125,890, 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).