Q: Is 421,862 a Prime Number?
A: No, 421,862 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 421862 can be evenly divided by 1 2 7 14 30,133 60,266 210,931 and 421,862, with no remainder.
Since 421,862 cannot be divided by just 1 and 421,862, it is not a prime number.