Q: Is 421,970 a Prime Number?
A: No, 421,970 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 421970 can be evenly divided by 1 2 5 10 42,197 84,394 210,985 and 421,970, with no remainder.
Since 421,970 cannot be divided by just 1 and 421,970, it is not a prime number.