Q: Is 7,889,889 a Prime Number?
A: No, 7,889,889 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 7889889 can be evenly divided by 1 3 7 21 375,709 1,127,127 2,629,963 and 7,889,889, with no remainder.
Since 7,889,889 cannot be divided by just 1 and 7,889,889, it is not a prime number.