Q: Is 637,140 a Composite Number?

Why is 637,140 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 637,140 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 37 41 42 60 70 74 82 84 105 111 123 140 148 164 185 205 210 222 246 259 287 370 410 420 444 492 518 555 574 615 740 777 820 861 1,036 1,110 1,148 1,230 1,295 1,435 1,517 1,554 1,722 2,220 2,460 2,590 2,870 3,034 3,108 3,444 3,885 4,305 4,551 5,180 5,740 6,068 7,585 7,770 8,610 9,102 10,619 15,170 15,540 17,220 18,204 21,238 22,755 30,340 31,857 42,476 45,510 53,095 63,714 91,020 106,190 127,428 159,285 212,380 318,570 and 637,140, with no remainder.

Since 637,140 cannot be divided by just 1 and 637,140, 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).