There are exactly 77000 ordered quadruples (a,b, c,d) such that gcd (a,b, c,d) =77 and lcm (a,b, c,d) =n, What is the smallest possible value of n?

asked Nov 5, 2023 107k views

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Answer: 27,720

Explanation:

This is 2016 AMC 12 B Problem 24. See the attached solution.

Rene Zammit answered Nov 10, 2023

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