4.4.b
Determine whether a whole number in the range 1 to 100 is prime or composite.
Example Problems
Find the greatest common factor of 28 and 12.
Find the greatest common factor of and .
Find the greatest common factor of and .
Khan Academy ResourcesPrime and composite numbers reviewFactors and multiplesPrime and composite numbers introIdentify prime numbersIdentify composite numbersIdentify factorsPrime and composite numbersRecognizing prime and composite numbersPrime numbersFactors and multiples: days of the weekReasoning about factors and multiples

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