Q: Is 616,401 a Prime Number?
A: No, 616,401 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 616401 can be evenly divided by 1 3 9 68,489 205,467 and 616,401, with no remainder.
Since 616,401 cannot be divided by just 1 and 616,401, it is not a prime number.