Q: Is 145,145 a Composite Number?
A: Yes, 145,145 is a composite number.
The number 145,145 can be evenly divided by 1 5 7 11 13 29 35 55 65 77 91 143 145 203 319 377 385 455 715 1,001 1,015 1,595 1,885 2,233 2,639 4,147 5,005 11,165 13,195 20,735 29,029 and 145,145, with no remainder.
Since 145,145 cannot be divided by just 1 and 145,145, it is a composite number.