The homework of PRIME 2017 refers to PRIME 2016, located below. Please contact me if you find the source for any unsourced problems.
Compilation of PRIME 2017 lectures into one PDF.
PRIME 2016 was mostly an effort to categorize past PMO problems into categories, and going through these. Much thanks to the students of PRIME 2017, who helped write solutions.
Compilation of PRIME 2016 problems into one PDF.
Compilation of PRIME 2016 solutions into one PDF.