Q: Is 321,916 a Prime Number?
A: No, 321,916 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 321916 can be evenly divided by 1 2 4 7 14 28 11,497 22,994 45,988 80,479 160,958 and 321,916, with no remainder.
Since 321,916 cannot be divided by just 1 and 321,916, it is not a prime number.