Q: Is 2,145,060 a Composite Number?

Why is 2,145,060 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 2,145,060 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 701 765 1,020 1,402 1,530 2,103 2,804 3,060 3,505 4,206 6,309 7,010 8,412 10,515 11,917 12,618 14,020 21,030 23,834 25,236 31,545 35,751 42,060 47,668 59,585 63,090 71,502 107,253 119,170 126,180 143,004 178,755 214,506 238,340 357,510 429,012 536,265 715,020 1,072,530 and 2,145,060, with no remainder.

Since 2,145,060 cannot be divided by just 1 and 2,145,060, 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).