Q: Is 200,000 a Prime Number?
A: No, 200,000 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 200000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1,000 1,250 1,600 2,000 2,500 3,125 4,000 5,000 6,250 8,000 10,000 12,500 20,000 25,000 40,000 50,000 100,000 and 200,000, with no remainder.
Since 200,000 cannot be divided by just 1 and 200,000, it is not a prime number.