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To get the Greates Common Factor (GCF) of 30 and 105 we need to factor each value first and then we choose all the copies of factors and multiply them:30: 2 3 5 105: 3 5 7 GCF: 3 5The Greates Common Factor (GCF) is: 3 x 5 = 15
You do a factor rainbow to find a prime factorization. You compare prime factorizations to find a greatest common factor.
Find out about factors and factor trees.
7
You need at least two numbers to find a GCF.
What is the Greatest common factor of 21 and 84
6.
the greatest common factor is 10
The Greatest Common Factor (GCF) is: 6
It is one
1
The GCF is 17.
6
10
3
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