Q: Is 171,800 a Prime Number?
A: No, 171,800 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 171800 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 859 1,718 3,436 4,295 6,872 8,590 17,180 21,475 34,360 42,950 85,900 and 171,800, with no remainder.
Since 171,800 cannot be divided by just 1 and 171,800, it is not a prime number.