Q: Is 355,216 a Prime Number?
A: No, 355,216 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 355216 can be evenly divided by 1 2 4 8 16 149 298 596 1,192 2,384 22,201 44,402 88,804 177,608 and 355,216, with no remainder.
Since 355,216 cannot be divided by just 1 and 355,216, it is not a prime number.