Q: Is 1,347,255 a Composite Number?

Why is 1,347,255 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 1,347,255 can be evenly divided by 1 3 5 7 9 13 15 21 35 39 45 47 49 63 65 91 105 117 141 147 195 235 245 273 315 329 423 441 455 585 611 637 705 735 819 987 1,365 1,645 1,833 1,911 2,115 2,205 2,303 2,961 3,055 3,185 4,095 4,277 4,935 5,499 5,733 6,909 9,165 9,555 11,515 12,831 14,805 20,727 21,385 27,495 28,665 29,939 34,545 38,493 64,155 89,817 103,635 149,695 192,465 269,451 449,085 and 1,347,255, with no remainder.

Since 1,347,255 cannot be divided by just 1 and 1,347,255, 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).