Q: Is 420,047 a Prime Number?
A: Yes, 420,047 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 420047 can be evenly divided by 1 and 420,047, with no remainder.
Since 420,047 can be divided by just 1 and 420,047, it is a prime number.