What is the GCF (Greatest Common Factor)?
GCF and LCM

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The GCF is the largest number that divides two or more numbers without leaving a remainder.
2.
FLASHCARD QUESTION
Front
What is the LCM (Least Common Multiple)?
Back
The LCM is the smallest multiple that is exactly divisible by two or more numbers.
3.
FLASHCARD QUESTION
Front
Find the GCF of 12 and 18.
Back
The GCF is 6.
4.
FLASHCARD QUESTION
Front
Find the LCM of 4 and 5.
Back
The LCM is 20.
5.
FLASHCARD QUESTION
Front
What is the relationship between GCF and LCM?
Back
The product of the GCF and LCM of two numbers is equal to the product of the numbers.
6.
FLASHCARD QUESTION
Front
How do you find the GCF of two numbers using prime factorization?
Back
List the prime factors of each number, then multiply the lowest powers of common prime factors.
7.
FLASHCARD QUESTION
Front
How do you find the LCM of two numbers using prime factorization?
Back
List the prime factors of each number, then multiply the highest powers of all prime factors.
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