Q: Is 3,243,420 a Composite Number?

Why is 3,243,420 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 3,243,420 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 60 74 90 111 148 180 185 222 333 370 444 487 555 666 740 974 1,110 1,332 1,461 1,665 1,948 2,220 2,435 2,922 3,330 4,383 4,870 5,844 6,660 7,305 8,766 9,740 14,610 17,532 18,019 21,915 29,220 36,038 43,830 54,057 72,076 87,660 90,095 108,114 162,171 180,190 216,228 270,285 324,342 360,380 540,570 648,684 810,855 1,081,140 1,621,710 and 3,243,420, with no remainder.

Since 3,243,420 cannot be divided by just 1 and 3,243,420, 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).