Q: Is 342,645 a Prime Number?
A: No, 342,645 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 342645 can be evenly divided by 1 3 5 15 53 159 265 431 795 1,293 2,155 6,465 22,843 68,529 114,215 and 342,645, with no remainder.
Since 342,645 cannot be divided by just 1 and 342,645, it is not a prime number.