Q: Is 421,698 a Prime Number?
A: No, 421,698 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 421698 can be evenly divided by 1 2 3 6 67 134 201 402 1,049 2,098 3,147 6,294 70,283 140,566 210,849 and 421,698, with no remainder.
Since 421,698 cannot be divided by just 1 and 421,698, it is not a prime number.