Q: Is 42,406 a Prime Number?
A: No, 42,406 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 42406 can be evenly divided by 1 2 7 13 14 26 91 182 233 466 1,631 3,029 3,262 6,058 21,203 and 42,406, with no remainder.
Since 42,406 cannot be divided by just 1 and 42,406, it is not a prime number.