Q: Is 7,120,400 a Composite Number?

Why is 7,120,400 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 7,120,400 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 560 700 1,400 2,543 2,800 5,086 10,172 12,715 17,801 20,344 25,430 35,602 40,688 50,860 63,575 71,204 89,005 101,720 127,150 142,408 178,010 203,440 254,300 284,816 356,020 445,025 508,600 712,040 890,050 1,017,200 1,424,080 1,780,100 3,560,200 and 7,120,400, with no remainder.

Since 7,120,400 cannot be divided by just 1 and 7,120,400, 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).