Q: Is 3,122,340 a Composite Number?

Why is 3,122,340 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 3,122,340 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 4,003 8,006 12,009 16,012 20,015 24,018 40,030 48,036 52,039 60,045 80,060 104,078 120,090 156,117 208,156 240,180 260,195 312,234 520,390 624,468 780,585 1,040,780 1,561,170 and 3,122,340, with no remainder.

Since 3,122,340 cannot be divided by just 1 and 3,122,340, 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).