Q: Is 420,270 a Prime Number?
A: No, 420,270 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 420270 can be evenly divided by 1 2 3 5 6 10 15 30 14,009 28,018 42,027 70,045 84,054 140,090 210,135 and 420,270, with no remainder.
Since 420,270 cannot be divided by just 1 and 420,270, it is not a prime number.