Q: Is 775,390 a Composite Number?

Why is 775,390 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 775,390 can be evenly divided by 1 2 5 7 10 11 14 19 22 35 38 53 55 70 77 95 106 110 133 154 190 209 265 266 371 385 418 530 583 665 742 770 1,007 1,045 1,166 1,330 1,463 1,855 2,014 2,090 2,915 2,926 3,710 4,081 5,035 5,830 7,049 7,315 8,162 10,070 11,077 14,098 14,630 20,405 22,154 35,245 40,810 55,385 70,490 77,539 110,770 155,078 387,695 and 775,390, with no remainder.

Since 775,390 cannot be divided by just 1 and 775,390, 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).