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Learn how to find Greatest Common Factors (GCF) and Least Common Multiples (LCM) with clear explanations and practice questions. Discover how to apply these concepts in solving problems. Perfect for students preparing for exams!
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Greatest Common Factor (GCF) • Take the largest factor in common • Take the smallest exponent
Find the GCF 15 and 75
Find the GCF 16 and 78
Least Common Multiple (LCM) • List the MULTIPLES of the constants • Take the largest exponent
Keystone Prep!! • The GCF of and is . What is the value of k? • k = 1 • k = 3 • k = 5 • k = 7