Sums + number theory
Number Theory
Level
3
\[ \text{lcm}(1,77) + \text{lcm}(2,77) + \text{lcm}(3,77) + \cdots + \text{lcm}(77,77) = \, ? \]
Notation: \(\text{lcm}(a,b) \) denote the Lowest Common Multiple of \(a\) and \(b\).
by
Curtis Clement