Q: Is 145,688 a Prime Number?
A: No, 145,688 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 145688 can be evenly divided by 1 2 4 8 18,211 36,422 72,844 and 145,688, with no remainder.
Since 145,688 cannot be divided by just 1 and 145,688, it is not a prime number.