Q: Is 549,991 a Prime Number?
A: No, 549,991 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 549991 can be evenly divided by 1 13 42,307 and 549,991, with no remainder.
Since 549,991 cannot be divided by just 1 and 549,991, it is not a prime number.