Q: Is 12,162,500 a Composite Number?

Why is 12,162,500 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 12,162,500 can be evenly divided by 1 2 4 5 7 10 14 20 25 28 35 50 70 100 125 139 140 175 250 278 350 500 556 625 695 700 875 973 1,250 1,390 1,750 1,946 2,500 2,780 3,125 3,475 3,500 3,892 4,375 4,865 6,250 6,950 8,750 9,730 12,500 13,900 17,375 17,500 19,460 21,875 24,325 34,750 43,750 48,650 69,500 86,875 87,500 97,300 121,625 173,750 243,250 347,500 434,375 486,500 608,125 868,750 1,216,250 1,737,500 2,432,500 3,040,625 6,081,250 and 12,162,500, with no remainder.

Since 12,162,500 cannot be divided by just 1 and 12,162,500, 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).