Q: Is 1,518,270 a Composite Number?

Why is 1,518,270 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 1,518,270 can be evenly divided by 1 2 3 5 6 10 13 15 17 26 30 34 39 51 65 78 85 102 130 170 195 221 229 255 390 442 458 510 663 687 1,105 1,145 1,326 1,374 2,210 2,290 2,977 3,315 3,435 3,893 5,954 6,630 6,870 7,786 8,931 11,679 14,885 17,862 19,465 23,358 29,770 38,930 44,655 50,609 58,395 89,310 101,218 116,790 151,827 253,045 303,654 506,090 759,135 and 1,518,270, with no remainder.

Since 1,518,270 cannot be divided by just 1 and 1,518,270, 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).