Q: Is 345,878 a Prime Number?
A: No, 345,878 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 345878 can be evenly divided by 1 2 13 26 53 106 251 502 689 1,378 3,263 6,526 13,303 26,606 172,939 and 345,878, with no remainder.
Since 345,878 cannot be divided by just 1 and 345,878, it is not a prime number.