Q: Is 165,500 a Prime Number?
A: No, 165,500 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 165500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 331 500 662 1,324 1,655 3,310 6,620 8,275 16,550 33,100 41,375 82,750 and 165,500, with no remainder.
Since 165,500 cannot be divided by just 1 and 165,500, it is not a prime number.