Q: Is 25,247,295 a Composite Number?

Why is 25,247,295 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 25,247,295 can be evenly divided by 1 3 5 9 15 17 19 27 45 51 57 81 85 95 135 153 171 193 255 285 323 405 459 513 579 765 855 965 969 1,377 1,539 1,615 1,737 2,295 2,565 2,895 2,907 3,281 3,667 4,845 5,211 6,885 7,695 8,685 8,721 9,843 11,001 14,535 15,633 16,405 18,335 26,055 26,163 29,529 33,003 43,605 49,215 55,005 62,339 78,165 88,587 99,009 130,815 147,645 165,015 187,017 265,761 297,027 311,695 442,935 495,045 561,051 935,085 1,328,805 1,485,135 1,683,153 2,805,255 5,049,459 8,415,765 and 25,247,295, with no remainder.

Since 25,247,295 cannot be divided by just 1 and 25,247,295, 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).