Q: Is 31,219,300 a Composite Number?

Why is 31,219,300 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 31,219,300 can be evenly divided by 1 2 4 5 7 10 14 20 25 28 35 50 70 100 103 140 175 206 350 412 433 515 700 721 866 1,030 1,442 1,732 2,060 2,165 2,575 2,884 3,031 3,605 4,330 5,150 6,062 7,210 8,660 10,300 10,825 12,124 14,420 15,155 18,025 21,650 30,310 36,050 43,300 44,599 60,620 72,100 75,775 89,198 151,550 178,396 222,995 303,100 312,193 445,990 624,386 891,980 1,114,975 1,248,772 1,560,965 2,229,950 3,121,930 4,459,900 6,243,860 7,804,825 15,609,650 and 31,219,300, with no remainder.

Since 31,219,300 cannot be divided by just 1 and 31,219,300, 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).