The correct answer for the question that is being presented above is this one: "They are all divisors of 6460."
I guess it asks for the Least Common Multiple (LCM) of these numbers.
85= 517
17=17
19=19
4=2^(2)
2=2
LCM(85,17,19,4,2)= 5 17 19 2^(2)= 6460.
Conclusion: They are all divisors of 6460.
