Q: Is 2,245,425 a Composite Number?

Why is 2,245,425 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 2,245,425 can be evenly divided by 1 3 5 7 13 15 21 25 35 39 47 49 65 75 91 105 141 147 175 195 235 245 273 325 329 455 525 611 637 705 735 975 987 1,175 1,225 1,365 1,645 1,833 1,911 2,275 2,303 3,055 3,185 3,525 3,675 4,277 4,935 6,825 6,909 8,225 9,165 9,555 11,515 12,831 15,275 15,925 21,385 24,675 29,939 34,545 45,825 47,775 57,575 64,155 89,817 106,925 149,695 172,725 320,775 449,085 748,475 and 2,245,425, with no remainder.

Since 2,245,425 cannot be divided by just 1 and 2,245,425, 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).