Q: Is 122,500 a Prime Number?
A: No, 122,500 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 122500 can be evenly divided by 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 125 140 175 196 245 250 350 490 500 625 700 875 980 1,225 1,250 1,750 2,450 2,500 3,500 4,375 4,900 6,125 8,750 12,250 17,500 24,500 30,625 61,250 and 122,500, with no remainder.
Since 122,500 cannot be divided by just 1 and 122,500, it is not a prime number.