Q: Is 39,125,625 a Composite Number?

Why is 39,125,625 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 39,125,625 can be evenly divided by 1 3 5 7 11 15 21 25 33 35 55 75 77 105 125 165 175 231 271 275 375 385 525 625 813 825 875 1,155 1,355 1,375 1,875 1,897 1,925 2,625 2,981 4,065 4,125 4,375 5,691 5,775 6,775 6,875 8,943 9,485 9,625 13,125 14,905 20,325 20,625 20,867 28,455 28,875 33,875 44,715 47,425 48,125 62,601 74,525 101,625 104,335 142,275 144,375 169,375 223,575 237,125 313,005 372,625 508,125 521,675 711,375 1,117,875 1,185,625 1,565,025 1,863,125 2,608,375 3,556,875 5,589,375 7,825,125 13,041,875 and 39,125,625, with no remainder.

Since 39,125,625 cannot be divided by just 1 and 39,125,625, 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).