Q: Is 689,975 a Prime Number?
A: No, 689,975 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 689975 can be evenly divided by 1 5 11 13 25 55 65 143 193 275 325 715 965 2,123 2,509 3,575 4,825 10,615 12,545 27,599 53,075 62,725 137,995 and 689,975, with no remainder.
Since 689,975 cannot be divided by just 1 and 689,975, it is not a prime number.