Q: Is 687,245 a Prime Number?
A: No, 687,245 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 687245 can be evenly divided by 1 5 13 65 97 109 485 545 1,261 1,417 6,305 7,085 10,573 52,865 137,449 and 687,245, with no remainder.
Since 687,245 cannot be divided by just 1 and 687,245, it is not a prime number.