Q: Is 1,521,108 a Composite Number?

Why is 1,521,108 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 1,521,108 can be evenly divided by 1 2 3 4 6 9 12 18 29 31 36 47 58 62 87 93 94 116 124 141 174 186 188 261 279 282 348 372 423 522 558 564 846 899 1,044 1,116 1,363 1,457 1,692 1,798 2,697 2,726 2,914 3,596 4,089 4,371 5,394 5,452 5,828 8,091 8,178 8,742 10,788 12,267 13,113 16,182 16,356 17,484 24,534 26,226 32,364 42,253 49,068 52,452 84,506 126,759 169,012 253,518 380,277 507,036 760,554 and 1,521,108, with no remainder.

Since 1,521,108 cannot be divided by just 1 and 1,521,108, 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).