Q: Is 871,245 a Prime Number?
A: No, 871,245 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 871245 can be evenly divided by 1 3 5 9 15 19 45 57 95 171 285 855 1,019 3,057 5,095 9,171 15,285 19,361 45,855 58,083 96,805 174,249 290,415 and 871,245, with no remainder.
Since 871,245 cannot be divided by just 1 and 871,245, it is not a prime number.