Q: Is 421,029 a Prime Number?
A: No, 421,029 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 421029 can be evenly divided by 1 3 7 9 21 41 63 123 163 287 369 489 861 1,141 1,467 2,583 3,423 6,683 10,269 20,049 46,781 60,147 140,343 and 421,029, with no remainder.
Since 421,029 cannot be divided by just 1 and 421,029, it is not a prime number.