Q: Is 1,246,245 a Composite Number?

Why is 1,246,245 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 1,246,245 can be evenly divided by 1 3 5 7 11 13 15 21 33 35 39 55 65 77 83 91 105 143 165 195 231 249 273 385 415 429 455 581 715 913 1,001 1,079 1,155 1,245 1,365 1,743 2,145 2,739 2,905 3,003 3,237 4,565 5,005 5,395 6,391 7,553 8,715 11,869 13,695 15,015 16,185 19,173 22,659 31,955 35,607 37,765 59,345 83,083 95,865 113,295 178,035 249,249 415,415 and 1,246,245, with no remainder.

Since 1,246,245 cannot be divided by just 1 and 1,246,245, 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).