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Factors and multiples

Learn
Divisibility tests for 2, 3, 4, 5, 6, 9, 10Recognizing divisibilityThe why of the 3 divisibility ruleThe why of the 9 divisibility rule
Practice
Divisibility testsGet 5 of 7 questions to level up!
Learn
Finding factors of a numberFinding factors and multiplesFactors and multiplesFactors and multiples review
Practice
Factor pairsGet 5 of 7 questions to level up!
Relate factors and multiplesGet 5 of 7 questions to level up!
Identify factorsGet 5 of 7 questions to level up!
Identify multiplesGet 3 of 4 questions to level up!
Learn
Prime numbersRecognizing prime and composite numbersPrime and composite numbers introPrime and composite numbers review
Practice
Identify prime numbersGet 5 of 7 questions to level up!
Identify composite numbersGet 5 of 7 questions to level up!
Prime and composite numbersGet 3 of 4 questions to level up!
Learn
Prime factorizationPrime factorization exerciseCommon divisibility examples
Practice
Prime factorizationGet 5 of 7 questions to level up!
Learn
Least common multipleLeast common multiple: repeating factorsLeast common multiple of three numbers
Practice
Least common multipleGet 3 of 4 questions to level up!
Learn
Greatest common factor examplesGreatest common factor explainedGCF & LCM word problems
Practice
Greatest common factorGet 5 of 7 questions to level up!
GCF & LCM word problemsGet 5 of 7 questions to level up!

About this unit

Understanding and finding factors and multiples. After these videos, you'll be ready for fractions.