Q: Is 121,975 a Prime Number?
A: No, 121,975 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 121975 can be evenly divided by 1 5 7 17 25 35 41 85 119 175 205 287 425 595 697 1,025 1,435 2,975 3,485 4,879 7,175 17,425 24,395 and 121,975, with no remainder.
Since 121,975 cannot be divided by just 1 and 121,975, it is not a prime number.