Q: Is 3,228,225 a Composite Number?

Why is 3,228,225 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 3,228,225 can be evenly divided by 1 3 5 7 11 13 15 21 25 33 35 39 43 55 65 75 77 91 105 129 143 165 175 195 215 231 273 275 301 325 385 429 455 473 525 559 645 715 825 903 975 1,001 1,075 1,155 1,365 1,419 1,505 1,677 1,925 2,145 2,275 2,365 2,795 3,003 3,225 3,311 3,575 3,913 4,515 5,005 5,775 6,149 6,825 7,095 7,525 8,385 9,933 10,725 11,739 11,825 13,975 15,015 16,555 18,447 19,565 22,575 25,025 30,745 35,475 41,925 43,043 49,665 58,695 75,075 82,775 92,235 97,825 129,129 153,725 215,215 248,325 293,475 461,175 645,645 1,076,075 and 3,228,225, with no remainder.

Since 3,228,225 cannot be divided by just 1 and 3,228,225, 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).