# Find GCF from LCM Challenge

Math Challenge
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Find the GCF when the LCM of numbers 57 and 24 is 456
Find the GCF when the LCM of numbers 300 and 135 is 2700
Find the GCF when the LCM of numbers 342 and 57 is 342
Find the GCF when the LCM of numbers 52 and 13 is 52
Find the GCF when the LCM of numbers 52 and 12 is 156
Find the GCF when the LCM of numbers 130 and 40 is 520
Find the GCF when the LCM of numbers 49 and 42 is 294
Find the GCF when the LCM of numbers 20 and 200 is 200
Find the GCF when the LCM of numbers 52 and 117 is 468
Find the GCF when the LCM of numbers 140 and 60 is 420
Find the GCF from LCM 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) from least common multiple (LCM) 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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