Q: Is 121,216 a Prime Number?
A: No, 121,216 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 121216 can be evenly divided by 1 2 4 8 16 32 64 128 947 1,894 3,788 7,576 15,152 30,304 60,608 and 121,216, with no remainder.
Since 121,216 cannot be divided by just 1 and 121,216, it is not a prime number.