Q: Is 421,134 a Prime Number?
A: No, 421,134 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 421134 can be evenly divided by 1 2 3 6 7 14 21 37 42 74 111 222 259 271 518 542 777 813 1,554 1,626 1,897 3,794 5,691 10,027 11,382 20,054 30,081 60,162 70,189 140,378 210,567 and 421,134, with no remainder.
Since 421,134 cannot be divided by just 1 and 421,134, it is not a prime number.