Q: Is 20,159,300 a Composite Number?

Why is 20,159,300 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 20,159,300 can be evenly divided by 1 2 4 5 7 10 14 20 25 28 31 35 50 62 70 100 124 140 155 175 217 310 350 434 620 700 775 868 929 1,085 1,550 1,858 2,170 3,100 3,716 4,340 4,645 5,425 6,503 9,290 10,850 13,006 18,580 21,700 23,225 26,012 28,799 32,515 46,450 57,598 65,030 92,900 115,196 130,060 143,995 162,575 201,593 287,990 325,150 403,186 575,980 650,300 719,975 806,372 1,007,965 1,439,950 2,015,930 2,879,900 4,031,860 5,039,825 10,079,650 and 20,159,300, with no remainder.

Since 20,159,300 cannot be divided by just 1 and 20,159,300, 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).