Q: Is 7,438,620 a Composite Number?

Why is 7,438,620 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 7,438,620 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 89 105 140 178 199 210 267 356 398 420 445 534 597 623 796 890 995 1,068 1,194 1,246 1,335 1,393 1,780 1,869 1,990 2,388 2,492 2,670 2,786 2,985 3,115 3,738 3,980 4,179 5,340 5,572 5,970 6,230 6,965 7,476 8,358 9,345 11,940 12,460 13,930 16,716 17,711 18,690 20,895 27,860 35,422 37,380 41,790 53,133 70,844 83,580 88,555 106,266 123,977 177,110 212,532 247,954 265,665 354,220 371,931 495,908 531,330 619,885 743,862 1,062,660 1,239,770 1,487,724 1,859,655 2,479,540 3,719,310 and 7,438,620, with no remainder.

Since 7,438,620 cannot be divided by just 1 and 7,438,620, 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).