Q: Is 355,401 a Prime Number?
A: No, 355,401 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 355401 can be evenly divided by 1 3 9 27 13,163 39,489 118,467 and 355,401, with no remainder.
Since 355,401 cannot be divided by just 1 and 355,401, it is not a prime number.