Q: Is 121,570 a Prime Number?
A: No, 121,570 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 121570 can be evenly divided by 1 2 5 10 12,157 24,314 60,785 and 121,570, with no remainder.
Since 121,570 cannot be divided by just 1 and 121,570, it is not a prime number.