Q: Is 5,340,123 a Prime Number?
A: No, 5,340,123 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 5340123 can be evenly divided by 1 3 9 61 71 137 183 213 411 549 639 1,233 4,331 8,357 9,727 12,993 25,071 29,181 38,979 75,213 87,543 593,347 1,780,041 and 5,340,123, with no remainder.
Since 5,340,123 cannot be divided by just 1 and 5,340,123, it is not a prime number.