1 and 17.
The GCF of 34, 85, and 102 is 17.
Factors of 85: 1, 5, 17, 85.Factors of 102: 1, 2, 3, 6, 17, 34, 51, 102.
the GCF is 17
17 102/17 = 6 85/17 = 5
17 is the largest number that evenly divides both 102 and 85.
17, 34, 51, 68, 85, 102, 119, 136, 153, 170, . . .
1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510.
17
17, 34, 51, 68, 85, 102
17, 34, 51, 68, 85, 102.
Since 34 is a factor of 102, 34 is the GCF and 102 is the LCM.
The numbers are 34 and 51, which have a sum of 85 and their LCM is 102, the multiple of the highest power of their prime factors 2, 3, 17.