Greatest Common Factor

Pre-Algebra Quiz

 







Find the Greatest Common Factor (GCF) of the following pair of numbers:

Question 1: 100 and 240












Question 2: 24 and 51












Question 3: 204 and 85












Question 4: 121 and 55












Question 5: 34 and 81

















Question 6: 10 and 15











Question 7: 44 and 12












Question 8: 52 and 39












Question 9: 168 and 420












Question 10: 100 and 10












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