Q: Is 145,378 a Prime Number?
A: No, 145,378 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 145378 can be evenly divided by 1 2 72,689 and 145,378, with no remainder.
Since 145,378 cannot be divided by just 1 and 145,378, it is not a prime number.