Q: Is 124,905 a Prime Number?
A: No, 124,905 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 124905 can be evenly divided by 1 3 5 11 15 33 55 165 757 2,271 3,785 8,327 11,355 24,981 41,635 and 124,905, with no remainder.
Since 124,905 cannot be divided by just 1 and 124,905, it is not a prime number.