Q: Is 543,171 a Prime Number?
A: No, 543,171 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 543171 can be evenly divided by 1 3 331 547 993 1,641 181,057 and 543,171, with no remainder.
Since 543,171 cannot be divided by just 1 and 543,171, it is not a prime number.