Q: Is 1,226,120 a Composite Number?

Why is 1,226,120 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 1,226,120 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 29 35 40 56 58 70 116 140 145 151 203 232 280 290 302 406 580 604 755 812 1,015 1,057 1,160 1,208 1,510 1,624 2,030 2,114 3,020 4,060 4,228 4,379 5,285 6,040 8,120 8,456 8,758 10,570 17,516 21,140 21,895 30,653 35,032 42,280 43,790 61,306 87,580 122,612 153,265 175,160 245,224 306,530 613,060 and 1,226,120, with no remainder.

Since 1,226,120 cannot be divided by just 1 and 1,226,120, 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).