Q: Is 247,689 a Prime Number?
A: No, 247,689 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 247689 can be evenly divided by 1 3 9 13 29 39 73 87 117 219 261 377 657 949 1,131 2,117 2,847 3,393 6,351 8,541 19,053 27,521 82,563 and 247,689, with no remainder.
Since 247,689 cannot be divided by just 1 and 247,689, it is not a prime number.