Q: Is 15,604,700 a Composite Number?

Why is 15,604,700 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 15,604,700 can be evenly divided by 1 2 4 5 10 19 20 25 38 43 50 76 86 95 100 172 190 191 215 380 382 430 475 764 817 860 950 955 1,075 1,634 1,900 1,910 2,150 3,268 3,629 3,820 4,085 4,300 4,775 7,258 8,170 8,213 9,550 14,516 16,340 16,426 18,145 19,100 20,425 32,852 36,290 40,850 41,065 72,580 81,700 82,130 90,725 156,047 164,260 181,450 205,325 312,094 362,900 410,650 624,188 780,235 821,300 1,560,470 3,120,940 3,901,175 7,802,350 and 15,604,700, with no remainder.

Since 15,604,700 cannot be divided by just 1 and 15,604,700, 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).