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Find the factors of all three numbers and then find the largest number that is in each list:
i.e. the factors of 18 are 1, 2, 3, 6, 9, 18.
So for example, to find the greatest common factor of 21, 28 and 42, find the factors of each:
Factors of 21 are 1,3,7,21
Factors of 28 are 1,2,4,7,14,28
Factors of 42 are 1,2,3,6,7,14,21,42
The highest number that is in all three lists is 7. Therefore, 7 is the greatest common factor.
Note: A factor is a number that divides evenly into the number. So, 2 divides evenly into 8 so 2 is a factor of 8. 3 divides evenly into 9 so 3 is a factor of 9, etc.
What else can I help you with?
What is the gcf of 24 36 and 18?
The GCF is 6.
What is the greatest common factor of 18 24 36?
the greatest common factor of 18 24 and 36 is 6 GLAD I COULD HELP
What is the greatest common factor of 24 36 and 45?
The GCF is 3.
Is 18 and 36 the GCF?
The GCF of 18 and 36 is 18.
What is the GCF of 18 and 36 and 54?
The GCF is 18.
What is the gcf of (1260) 36 18?
The GCF is 18.
What is the GCF and LCM of 18 and 24 36?
6 and 72 respectively
What is the greatest common divisor of 36 24 and 18?
The GCF is 6.
What is 18 plus 24 as the GCF and another sum?
6 + 36
What is the GCF of 594 and 36?
The GCF is 18.
Gcf of 18 36 and 54?
It would be 18.
What Is the gcf of 6 18 36?
The GCF is 6.
