Q: Is 420,770 a Prime Number?
A: No, 420,770 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 420770 can be evenly divided by 1 2 5 7 10 14 35 70 6,011 12,022 30,055 42,077 60,110 84,154 210,385 and 420,770, with no remainder.
Since 420,770 cannot be divided by just 1 and 420,770, it is not a prime number.