Q: Is 250,000 a Prime Number?
A: No, 250,000 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 250000 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1,000 1,250 2,000 2,500 3,125 5,000 6,250 10,000 12,500 15,625 25,000 31,250 50,000 62,500 125,000 and 250,000, with no remainder.
Since 250,000 cannot be divided by just 1 and 250,000, it is not a prime number.