Q: Is 421,084 a Prime Number?
A: No, 421,084 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 421084 can be evenly divided by 1 2 4 23 46 92 199 398 529 796 1,058 2,116 4,577 9,154 18,308 105,271 210,542 and 421,084, with no remainder.
Since 421,084 cannot be divided by just 1 and 421,084, it is not a prime number.