Q: Is 638,250 a Composite Number?

Why is 638,250 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 638,250 can be evenly divided by 1 2 3 5 6 10 15 23 25 30 37 46 50 69 74 75 111 115 125 138 150 185 222 230 250 345 370 375 555 575 690 750 851 925 1,110 1,150 1,702 1,725 1,850 2,553 2,775 2,875 3,450 4,255 4,625 5,106 5,550 5,750 8,510 8,625 9,250 12,765 13,875 17,250 21,275 25,530 27,750 42,550 63,825 106,375 127,650 212,750 319,125 and 638,250, with no remainder.

Since 638,250 cannot be divided by just 1 and 638,250, 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).