Q: Is 145,628 a Prime Number?
A: No, 145,628 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 145628 can be evenly divided by 1 2 4 7 14 28 49 98 196 743 1,486 2,972 5,201 10,402 20,804 36,407 72,814 and 145,628, with no remainder.
Since 145,628 cannot be divided by just 1 and 145,628, it is not a prime number.