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To make this easier, let's first factor 18 and 21 into their prime factors:
18=2*3^2
21=3*7
Now it's very easy to find the LCM and GCF. The LCM is 2*3^2*7=126, and the GCF is 3.
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What is the GCF and LCM of 18 and 6?
The LCM of these numbers is 18. LCM is Least Common Multiple. The GCF of these numbers is 6. GCF is Greatest Common Factor.
What is the GCF and LCM of 18 and 24?
6 and 72, respectively.
What is the GCF of 3 9 and 21?
The GCF is 3. The LCM is 63.
What is the LCM of 21 42 18?
LCM(21, 42, 18) = 126
What is the LCM and the GCM of 18 and 20?
The LCM is 120 and the GCF is 2.
What is the gcf and the LCM of 21-26?
The gcf and LCM of 21 and 26 are 1 and 546 respectively
What is the GCF and LCM of 3 and 7?
LCM 21, and GCF =1
The GCF and LCM of 10 and 18?
The GCF of 10 & 18 is 2.The LCM of 10 & 18 is 90.
What is the LCM and GCF of 12 18 and 24?
LCM(12, 18, 24) = 72; GCF(12, 18, 24) = 6.
What is the gcf LCM of 18 45?
The LCM is 90. The GCF is 9.
What is the gcf and LCM of 18 24 and 30?
The GCF is 6. The LCM is 360.
What is the GCF and LCM of 18 and 6?
The LCM of these numbers is 18. LCM is Least Common Multiple. The GCF of these numbers is 6. GCF is Greatest Common Factor.
What is the GCF and LCM of 6 and 21?
The LCM of 6 and 21 is 42. Their GCF is 3.
The LCM of 9 and 18 is 18 what is the gcf?
The GCF is 9.
What is the LCM and GCF of 24 18 and 30?
The LCM is 360. The GCF is 6.
What is the LCM of 21 and 18?
The LCM of 21 and 18 is 126.
What is the GCF and LCM of 18 and 6v?
6 and 18v, respectively.
