Q: Is 100,000 a Prime Number?
A: No, 100,000 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 100000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1,000 1,250 2,000 2,500 3,125 4,000 5,000 6,250 10,000 12,500 20,000 25,000 50,000 and 100,000, with no remainder.
Since 100,000 cannot be divided by just 1 and 100,000, it is not a prime number.