Q: Is 4,200,005 a Prime Number?
A: No, 4,200,005 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 4200005 can be evenly divided by 1 5 71 355 11,831 59,155 840,001 and 4,200,005, with no remainder.
Since 4,200,005 cannot be divided by just 1 and 4,200,005, it is not a prime number.