Difference between revisions of "2023 SSMO Relay Round 5 Problems/Problem 2"
(Created page with "==Problem== Let <math>T=</math> TNYWR. Let <math>a_n = \text{lcm} \{1, 2, \dots n\}</math> for positive integers <math>n</math>.Compute <cmath>\sum_{i=1}^N a_i \pmod {720}.</c...") |
|||
Line 1: | Line 1: | ||
==Problem== | ==Problem== | ||
− | Let <math>T=</math> | + | Let <math>T=TNYWR</math>. Let <math>a_n = \text{lcm} \{1, 2, \dots n\}</math> for positive integers <math>n</math>.Compute <cmath>\sum_{i=1}^N a_i \pmod {720}.</cmath> |
==Solution== | ==Solution== |
Latest revision as of 19:20, 2 May 2025
Problem
Let . Let
for positive integers
.Compute