Q: Is 145,624 a Prime Number?
A: No, 145,624 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 145624 can be evenly divided by 1 2 4 8 109 167 218 334 436 668 872 1,336 18,203 36,406 72,812 and 145,624, with no remainder.
Since 145,624 cannot be divided by just 1 and 145,624, it is not a prime number.