Q: Is 216,426 a Prime Number?
A: No, 216,426 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 216426 can be evenly divided by 1 2 3 6 7 14 21 42 5,153 10,306 15,459 30,918 36,071 72,142 108,213 and 216,426, with no remainder.
Since 216,426 cannot be divided by just 1 and 216,426, it is not a prime number.