Q: Is 421,204 a Prime Number?
A: No, 421,204 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 421204 can be evenly divided by 1 2 4 7 14 28 49 98 196 307 343 614 686 1,228 1,372 2,149 4,298 8,596 15,043 30,086 60,172 105,301 210,602 and 421,204, with no remainder.
Since 421,204 cannot be divided by just 1 and 421,204, it is not a prime number.