Q: Is 42,555 a Prime Number?
A: No, 42,555 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 42555 can be evenly divided by 1 3 5 15 2,837 8,511 14,185 and 42,555, with no remainder.
Since 42,555 cannot be divided by just 1 and 42,555, it is not a prime number.