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You don't find the GCF and LCM of a single number, you need at least two. Ladders, trees, fireworks, rainbows... It's all the same thing, just different ways of writing the factors on the page. Find a way that works for you. To find the GCF and LCM of 30 and 42, you need to factor them.
30 42
15,2 21,2
5,3,2 7,3,2
2 x 3 x 5 = 30 and 2 x 3 x 7 = 42
To find the GCF, select the common factors.
2 x 3 = 6, the GCF.
To find the LCM, combine the factors, eliminating duplicates.
2 x 3 x 5 x 7 = 210, the LCM
What else can I help you with?
What is the division ladder what is the GCF of 82?
The division ladder is a method used to find the greatest common factor (GCF) of two numbers by listing the factors of each number. To find the GCF of 82, you would start by factoring the number 82. The factors of 82 are 1, 2, 41, and 82. Therefore, the GCF of 82 is 1.
How to find the gcf for 18?
You need at least two numbers to find a GCF. The GCF of 18 and 24 is 6.
What is the GCF of number 18?
You need at least two numbers to find a GCF.
What is the GCF of 18 and 24 using the uclids ladder?
6
How do you find the gcf of 73 and 127?
Find the factor pairs of each number. The greatest factor in common is the GCF. A hint, the definition of a prime number is a number with only two factors: 1 and itself.
How do you use the division ladder to find the GCF of 10 and 15?
The GCF of 10 and 15 is 5.
What is the division ladder what is the GCF of 82?
The division ladder is a method used to find the greatest common factor (GCF) of two numbers by listing the factors of each number. To find the GCF of 82, you would start by factoring the number 82. The factors of 82 are 1, 2, 41, and 82. Therefore, the GCF of 82 is 1.
Use a division ladder to find the GCF of 5 and 9?
The GCF is 1.
How do you find the GCF in a division ladder of 18 and 57?
The GCF of 18 and 57 is 3.
What is the division ladder of 10?
The prime factorization of 10 is 2 x 5. You need another number to find a GCF or LCM.
Division ladder to find the gcf of 10 and 15?
5
Use a division ladder to find the gcf of each setof numbers 2730?
The GCF of 27 and 30 is 3.
How do you make a division ladder to find the gcf of 10 and 15?
5 |10,15, |_________2,3The GCF of 10 and 15 is 5.
Using a division ladder What is the GCF of 24 and 60?
division ladder for 12,16,28 and the gcf of all them
How do you use a division ladder to find the greatest common factor of 10 and 15?
155,3105,2The GCF is 5.The GCF of 10 and 15 is 5.
How do you use a division ladder to find the greatest common factor of 21 and 60?
The GCF is 3.
What is the GCF of 18 and 57 using division ladder?
The GCF is 3.
