Q: Is 125,000 a Prime Number?
A: No, 125,000 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 125000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1,000 1,250 2,500 3,125 5,000 6,250 12,500 15,625 25,000 31,250 62,500 and 125,000, with no remainder.
Since 125,000 cannot be divided by just 1 and 125,000, it is not a prime number.