Q: Is 625,500 a Composite Number?

Why is 625,500 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 625,500 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 125 139 150 180 225 250 278 300 375 417 450 500 556 695 750 834 900 1,125 1,251 1,390 1,500 1,668 2,085 2,250 2,502 2,780 3,475 4,170 4,500 5,004 6,255 6,950 8,340 10,425 12,510 13,900 17,375 20,850 25,020 31,275 34,750 41,700 52,125 62,550 69,500 104,250 125,100 156,375 208,500 312,750 and 625,500, with no remainder.

Since 625,500 cannot be divided by just 1 and 625,500, 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).