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Finding GCF (Greatest Common Factor). Lesson 4-3. Math Vocabulary. GCF (Greatest Common Factor): The highest number that can divide INTO two or more given numbers. Finding GCF. When finding GCF… finding the highest #, the given number(s) can be divided by…
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Finding GCF(Greatest Common Factor) Lesson 4-3
Math Vocabulary GCF (Greatest Common Factor): The highest number that can divide INTO two or more given numbers
Finding GCF When finding GCF… finding the highest #, the given number(s) can be divided by… usually = to smallest given # or smaller
Finding GCF Find the GCF of 40 and 60 • can GCF = 40 • must be less than 40 GCF = 20
Finding GCF Find the GCF of 6a³b and 4a²b • GCF of #s • Common variable(s) • Lowest exponent of each variable GCF = 2a²b
Finding GCF Find the GCF of 12r³s⁵t² and 8r²s⁴t⁸ • GCF of #s • Common variable(s) • Lowest exponent of each variable GCF = 4r²s⁴t³
Practice Find the GCF • 8, 20 • 12a, 15bc • 15m²n, 45m • 14fg³h⁹, 35f ⁵h⁴
Homework p. 183-184 #11-15, 29-44, 58-61