Q: Is 145,273 a Prime Number?
A: No, 145,273 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 145273 can be evenly divided by 1 53 2,741 and 145,273, with no remainder.
Since 145,273 cannot be divided by just 1 and 145,273, it is not a prime number.