Q: Is 421,869 a Prime Number?
A: No, 421,869 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 421869 can be evenly divided by 1 3 7 21 20,089 60,267 140,623 and 421,869, with no remainder.
Since 421,869 cannot be divided by just 1 and 421,869, it is not a prime number.