Q: Is 1,057,420 a Composite Number?

Why is 1,057,420 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 1,057,420 can be evenly divided by 1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 83 91 98 130 140 166 182 196 245 260 332 364 415 455 490 581 637 830 910 980 1,079 1,162 1,274 1,660 1,820 2,158 2,324 2,548 2,905 3,185 4,067 4,316 5,395 5,810 6,370 7,553 8,134 10,790 11,620 12,740 15,106 16,268 20,335 21,580 30,212 37,765 40,670 52,871 75,530 81,340 105,742 151,060 211,484 264,355 528,710 and 1,057,420, with no remainder.

Since 1,057,420 cannot be divided by just 1 and 1,057,420, 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).