4.N.4.b
Determine factors of any whole number up to 100 and classify a number up to 100 as prime or composite.
Khan Academy ResourcesPrime and composite numbers reviewFactors and multiplesPrime and composite numbers introIdentify prime numbersIdentify composite numbersIdentify factorsRelate factors and multiplesPrime and composite numbersFactor pairsRecognizing prime and composite numbersPrime numbersUnderstanding factor pairsReasoning about factors and multiples

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