Q: Is 617,800 a Prime Number?
A: No, 617,800 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 617800 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 3,089 6,178 12,356 15,445 24,712 30,890 61,780 77,225 123,560 154,450 308,900 and 617,800, with no remainder.
Since 617,800 cannot be divided by just 1 and 617,800, it is not a prime number.