Q: Is 78,800 a Prime Number?
A: No, 78,800 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 78800 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 197 200 394 400 788 985 1,576 1,970 3,152 3,940 4,925 7,880 9,850 15,760 19,700 39,400 and 78,800, with no remainder.
Since 78,800 cannot be divided by just 1 and 78,800, it is not a prime number.