Q: Is 19,070,870 a Composite Number?

Why is 19,070,870 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 19,070,870 can be evenly divided by 1 2 5 7 10 13 14 19 26 35 38 65 70 91 95 130 133 182 190 247 266 455 494 665 910 1,103 1,235 1,330 1,729 2,206 2,470 3,458 5,515 7,721 8,645 11,030 14,339 15,442 17,290 20,957 28,678 38,605 41,914 71,695 77,210 100,373 104,785 143,390 146,699 200,746 209,570 272,441 293,398 501,865 544,882 733,495 1,003,730 1,362,205 1,466,990 1,907,087 2,724,410 3,814,174 9,535,435 and 19,070,870, with no remainder.

Since 19,070,870 cannot be divided by just 1 and 19,070,870, 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).