Q: Is 42,905 a Prime Number?
A: No, 42,905 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 42905 can be evenly divided by 1 5 8,581 and 42,905, with no remainder.
Since 42,905 cannot be divided by just 1 and 42,905, it is not a prime number.