GCF of Numbers Challenge

Math Challenge
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Find the GCF of 9, 24 and 12
Find the GCF of 90, 60, 45, 105 and 30
Find the GCF of 4 and 14
Find the GCF of 9, 12, 27 and 21
Find the GCF of 2, 14, 10 and 18
Find the GCF of 24, 40, 48 and 64
Find the GCF of 42, 70, 98, 126 and 28
Find the GCF of 56, 40, 64 and 8
Find the GCF of 81, 27 and 36
Find the GCF of 88, 99, 77, 22 and 33
GCF of numbers challenge is an online test to assess 4th, 5th or 6th grade student's math skills on finding the greatest common factor (GCF) of two or more positive integers in pre-algebra or number system (NS) of common core state standards (CCSS) for mathematics.
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kuku
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