Q: Is 5,421,645 a Composite Number?
A: Yes, 5,421,645 is a composite number.
The number 5,421,645 can be evenly divided by 1 3 5 9 15 45 211 571 633 1,055 1,713 1,899 2,855 3,165 5,139 8,565 9,495 25,695 120,481 361,443 602,405 1,084,329 1,807,215 and 5,421,645, with no remainder.
Since 5,421,645 cannot be divided by just 1 and 5,421,645, it is a composite number.