Q: Is 640,341 a Composite Number?
A: Yes, 640,341 is a composite number.
The number 640,341 can be evenly divided by 1 3 9 13 39 117 169 421 507 1,263 1,521 3,789 5,473 16,419 49,257 71,149 213,447 and 640,341, with no remainder.
Since 640,341 cannot be divided by just 1 and 640,341, it is a composite number.