Q: Is 355,921 a Prime Number?
A: No, 355,921 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 355921 can be evenly divided by 1 41 8,681 and 355,921, with no remainder.
Since 355,921 cannot be divided by just 1 and 355,921, it is not a prime number.