Q: Is 1,542,120 a Composite Number?

Why is 1,542,120 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 1,542,120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 71 120 142 181 213 284 355 362 426 543 568 710 724 852 905 1,065 1,086 1,420 1,448 1,704 1,810 2,130 2,172 2,715 2,840 3,620 4,260 4,344 5,430 7,240 8,520 10,860 12,851 21,720 25,702 38,553 51,404 64,255 77,106 102,808 128,510 154,212 192,765 257,020 308,424 385,530 514,040 771,060 and 1,542,120, with no remainder.

Since 1,542,120 cannot be divided by just 1 and 1,542,120, 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).