Q: Is 677,800 a Prime Number?
A: No, 677,800 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 677800 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 3,389 6,778 13,556 16,945 27,112 33,890 67,780 84,725 135,560 169,450 338,900 and 677,800, with no remainder.
Since 677,800 cannot be divided by just 1 and 677,800, it is not a prime number.