Q: Is 5,559,661 a Prime Number?
A: No, 5,559,661 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 5559661 can be evenly divided by 1 1,423 3,907 and 5,559,661, with no remainder.
Since 5,559,661 cannot be divided by just 1 and 5,559,661, it is not a prime number.