Number Theory · Chapter 3 of 11

GCD & LCM

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Endless problems made on demand, each with an exactly computed answer. Every click is a new one.

Greatest common divisorEasy · 10.1 billion variations Least common multipleEasy · 2 million variations

From open sources

211

Showing everything, including problems with no answer to check, a missing figure, or a near-copy elsewhere. Show only complete problems

#	Title	Difficulty
108924	Prime Factorization and the Least Common Multiple · Example 5	Easy
119395	Greatest Common Factor and Factor by Grouping · Example 16	Easy
124373	Greatest Common Factor and Factor by Grouping · Example 8	Easy
124374	Greatest Common Factor and Factor by Grouping · Try It 15	Easy
124375	Greatest Common Factor and Factor by Grouping · Try It 16	Easy
108913	Prime Factorization and the Least Common Multiple · Try It 1	Easy
108914	Prime Factorization and the Least Common Multiple · Try It 2	Easy
108916	Prime Factorization and the Least Common Multiple · Try It 3	Easy
108917	Prime Factorization and the Least Common Multiple · Try It 4	Easy
108919	Prime Factorization and the Least Common Multiple · Try It 5	Easy
108920	Prime Factorization and the Least Common Multiple · Try It 6	Easy
108922	Prime Factorization and the Least Common Multiple · Try It 7	Easy
108923	Prime Factorization and the Least Common Multiple · Try It 8	Easy
108925	Prime Factorization and the Least Common Multiple · Try It 9	Easy
108926	Prime Factorization and the Least Common Multiple · Try It 10	Easy
108928	Prime Factorization and the Least Common Multiple · Try It 11	Easy
108929	Prime Factorization and the Least Common Multiple · Try It 12	Easy
108931	Prime Factorization and the Least Common Multiple · Try It 13	Easy
108932	Prime Factorization and the Least Common Multiple · Try It 14	Easy
108933	Prime Factorization and the Least Common Multiple · Exercise 1	Easy
108935	Prime Factorization and the Least Common Multiple · Exercise 3	Easy
108937	Prime Factorization and the Least Common Multiple · Exercise 5	Easy
108939	Prime Factorization and the Least Common Multiple · Exercise 7	Easy
108941	Prime Factorization and the Least Common Multiple · Exercise 9	Easy
108943	Prime Factorization and the Least Common Multiple · Exercise 11	Easy
108945	Prime Factorization and the Least Common Multiple · Exercise 13	Easy
108947	Prime Factorization and the Least Common Multiple · Exercise 15	Easy
108949	Prime Factorization and the Least Common Multiple · Exercise 17	Easy
108951	Prime Factorization and the Least Common Multiple · Exercise 19	Easy
108953	Prime Factorization and the Least Common Multiple · Exercise 21	Easy
108955	Prime Factorization and the Least Common Multiple · Exercise 23	Easy
108957	Prime Factorization and the Least Common Multiple · Exercise 25	Easy
108959	Prime Factorization and the Least Common Multiple · Exercise 27	Easy
108961	Prime Factorization and the Least Common Multiple · Exercise 29	Easy
108963	Prime Factorization and the Least Common Multiple · Exercise 31	Easy
108965	Prime Factorization and the Least Common Multiple · Exercise 33	Easy
108967	Prime Factorization and the Least Common Multiple · Exercise 35	Easy
108969	Prime Factorization and the Least Common Multiple · Exercise 37	Easy
108971	Prime Factorization and the Least Common Multiple · Exercise 39	Easy
108973	Prime Factorization and the Least Common Multiple · Exercise 41	Easy
108975	Prime Factorization and the Least Common Multiple · Exercise 43	Easy
108977	Prime Factorization and the Least Common Multiple · Exercise 45	Easy
119351	Greatest Common Factor and Factor by Grouping · Try It 1	Easy
119352	Greatest Common Factor and Factor by Grouping · Try It 2	Easy
119354	Greatest Common Factor and Factor by Grouping · Try It 3	Easy
119355	Greatest Common Factor and Factor by Grouping · Try It 4	Easy
119357	Greatest Common Factor and Factor by Grouping · Try It 5	Easy
119358	Greatest Common Factor and Factor by Grouping · Try It 6	Easy
119360	Greatest Common Factor and Factor by Grouping · Try It 7	Easy
119361	Greatest Common Factor and Factor by Grouping · Try It 8	Easy