Q: Is 225,000 a Prime Number?
A: No, 225,000 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 225000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 450 500 600 625 750 900 1,000 1,125 1,250 1,500 1,800 1,875 2,250 2,500 3,000 3,125 3,750 4,500 5,000 5,625 6,250 7,500 9,000 9,375 11,250 12,500 15,000 18,750 22,500 25,000 28,125 37,500 45,000 56,250 75,000 112,500 and 225,000, with no remainder.
Since 225,000 cannot be divided by just 1 and 225,000, it is not a prime number.