Q: Is 31,201,212 a Composite Number?

Why is 31,201,212 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 31,201,212 can be evenly divided by 1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 518 777 1,036 1,554 3,108 10,039 20,078 30,117 40,156 60,234 70,273 120,468 140,546 210,819 281,092 371,443 421,638 742,886 843,276 1,114,329 1,485,772 2,228,658 2,600,101 4,457,316 5,200,202 7,800,303 10,400,404 15,600,606 and 31,201,212, with no remainder.

Since 31,201,212 cannot be divided by just 1 and 31,201,212, 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).