Q: Is 425,624 a Prime Number?
A: No, 425,624 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 425624 can be evenly divided by 1 2 4 8 83 166 332 641 664 1,282 2,564 5,128 53,203 106,406 212,812 and 425,624, with no remainder.
Since 425,624 cannot be divided by just 1 and 425,624, it is not a prime number.