Q: Is 31,415,384 a Composite Number?

Why is 31,415,384 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 31,415,384 can be evenly divided by 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 143 154 182 286 308 364 572 616 728 1,001 1,144 2,002 3,923 4,004 7,846 8,008 15,692 27,461 31,384 43,153 50,999 54,922 86,306 101,998 109,844 172,612 203,996 219,688 302,071 345,224 356,993 407,992 560,989 604,142 713,986 1,121,978 1,208,284 1,427,972 2,243,956 2,416,568 2,855,944 3,926,923 4,487,912 7,853,846 15,707,692 and 31,415,384, with no remainder.

Since 31,415,384 cannot be divided by just 1 and 31,415,384, 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).