Q: Is 5,558,397 a Prime Number?
A: No, 5,558,397 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 5558397 can be evenly divided by 1 3 13 39 359 397 1,077 1,191 4,667 5,161 14,001 15,483 142,523 427,569 1,852,799 and 5,558,397, with no remainder.
Since 5,558,397 cannot be divided by just 1 and 5,558,397, it is not a prime number.