Q: Is 1,542,540 a Composite Number?

Why is 1,542,540 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 1,542,540 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 547 564 705 940 1,094 1,410 1,641 2,188 2,735 2,820 3,282 5,470 6,564 8,205 10,940 16,410 25,709 32,820 51,418 77,127 102,836 128,545 154,254 257,090 308,508 385,635 514,180 771,270 and 1,542,540, with no remainder.

Since 1,542,540 cannot be divided by just 1 and 1,542,540, 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).