Question

what is the similarity between the numbers 85,17,19,4 and 2?

Answer 1

(finding least common multiples here) 85= 5*17 17=17 19=19 4=2^(2) 2=2 LCM(85,17,19,4,2)= 5* 17* 19* 2^(2)= 6460. So, the answer is that the numbers are all divisors of 6460.