Q: Is 541,991 a Prime Number?
A: Yes, 541,991 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 541991 can be evenly divided by 1 and 541,991, with no remainder.
Since 541,991 can be divided by just 1 and 541,991, it is a prime number.