Q: Is 421,038 a Prime Number?
A: No, 421,038 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 421038 can be evenly divided by 1 2 3 6 9 18 23 27 46 54 69 81 113 138 162 207 226 339 414 621 678 1,017 1,242 1,863 2,034 2,599 3,051 3,726 5,198 6,102 7,797 9,153 15,594 18,306 23,391 46,782 70,173 140,346 210,519 and 421,038, with no remainder.
Since 421,038 cannot be divided by just 1 and 421,038, it is not a prime number.