Q: Is 1,221,250 a Prime Number?
A: No, 1,221,250 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 1221250 can be evenly divided by 1 2 5 10 25 50 125 250 625 977 1,250 1,954 4,885 9,770 24,425 48,850 122,125 244,250 610,625 and 1,221,250, with no remainder.
Since 1,221,250 cannot be divided by just 1 and 1,221,250, it is not a prime number.