Prime — AMC & AIME Problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses prime — a number theory concept — each with a professionally curated solution, many with a video solution too, from LIVE by Po-Shen Loh. Browse all concepts or the full past-contest archive.
All of these problems are used with official legal permission of the Mathematical Association of America (MAA).
AMC 8
1987 AMC 8 Problem 20 · 1989 AMC 8 Problem 16 · 1993 AMC 8 Problem 3 · 2003 AMC 8 Problem 2 · 2006 AMC 8 Problem 25 · 2009 AMC 8 Problem 12 · 2011 AMC 8 Problem 21 · 2011 AMC 8 Problem 24 · 2012 AMC 8 Problem 18 · 2014 AMC 8 Problem 4 · 2014 AMC 8 Problem 23 · 2023 AMC 8 Problem 4 · 2025 AMC 8 Problem 23
AMC 10
2000 AMC 10 Problem 11 · 2002 AMC 10A Problem 14 · 2002 AMC 10A Problem 15 · 2002 AMC 10B Problem 6 · 2002 AMC 10B Problem 15 · 2003 AMC 10A Problem 14 · 2005 AMC 10A Problem 24 · 2005 AMC 10B Problem 12 · 2005 AMC 10B Problem 22 · 2013 AMC 10B Problem 24 · 2015 AMC 10B Problem 11 · 2018 AMC 10B Problem 5 · 2018 AMC 10B Problem 11 · 2019 AMC 10A Problem 9 · 2019 AMC 10A Problem 25 · 2019 AMC 10B Problem 2 · 2020 AMC 10B Problem 4 · 2021 AMC 10A Fall Problem 5 · 2021 AMC 10B Fall Problem 10 · 2022 AMC 10B Problem 6 · 2022 AMC 10B Problem 13 · 2024 AMC 10A Problem 3
AMC 12
1999 AMC 12 Problem 4 · 2000 AMC 12 Problem 6 · 2002 AMC 12A Problem 12 · 2002 AMC 12A Problem 17 · 2002 AMC 12B Problem 3 · 2002 AMC 12B Problem 11 · 2005 AMC 12A Problem 18 · 2009 AMC 12B Problem 19 · 2010 AMC 12B Problem 25 · 2019 AMC 12A Problem 24 · 2019 AMC 12B Problem 2 · 2020 AMC 12B Problem 4 · 2021 AMC 12A Fall Problem 4 · 2022 AMC 12B Problem 3