Q: Is 125,129,355 a Composite Number?

Why is 125,129,355 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 125,129,355 can be evenly divided by 1 3 5 13 15 39 43 65 129 195 215 559 645 1,677 2,795 8,385 14,923 44,769 74,615 193,999 223,845 581,997 641,689 969,995 1,925,067 2,909,985 3,208,445 8,341,957 9,625,335 25,025,871 41,709,785 and 125,129,355, with no remainder.

Since 125,129,355 cannot be divided by just 1 and 125,129,355, 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).