Q: Is 1,365,390 a Composite Number?

Why is 1,365,390 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 1,365,390 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 389 390 585 702 778 1,167 1,170 1,755 1,945 2,334 3,501 3,510 3,890 5,057 5,835 7,002 10,114 10,503 11,670 15,171 17,505 21,006 25,285 30,342 35,010 45,513 50,570 52,515 75,855 91,026 105,030 136,539 151,710 227,565 273,078 455,130 682,695 and 1,365,390, with no remainder.

Since 1,365,390 cannot be divided by just 1 and 1,365,390, 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).