Q: Is 6,426 a Prime Number?
A: No, 6,426 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 6426 can be evenly divided by 1 2 3 6 7 9 14 17 18 21 27 34 42 51 54 63 102 119 126 153 189 238 306 357 378 459 714 918 1,071 2,142 3,213 and 6,426, with no remainder.
Since 6,426 cannot be divided by just 1 and 6,426, it is not a prime number.