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All numbers have factors. Some numbers have some of the same factors as other numbers. These are known as common factors. One way to find them is to list all the factors of a set of numbers. Example 30 and 42
1, 2, 3, 5, 6, 10, 15, 30
1, 2, 3, 6, 7, 14, 21, 42
1, 2, 3 and 6 appear on both lists. They are the common factors of 30 and 42.
What else can I help you with?
Do you do a factor rainbow for greatest common factor?
You do a factor rainbow to find a prime factorization. You compare prime factorizations to find a greatest common factor.
How do you find the least common factor in division?
The least common factor is always 1.
How do you find a short cut to find the least common factor?
The least common factor of any set of integers is 1.
How do you find the greatest common factor when there are no common factors?
There is always a common factor. If there are no common prime factors, the GCF is 1.
Find the greatest common factor GF common factor of 98 182 and 637?
7
How do you find the greatest common factor of 154 and 418?
The greatest common factor (GCF) is 2.
Find the greatest common factor of 16 and 20?
The greatest common factor (GCF) is 4.
Find the greatest common factor of 84 and 72?
The Greatest Common Factor (GCF) is: 12
Find the greatest common factor of 18 and 75?
The greatest common factor (GCF) is 3.
How do you find the greatest common factor of 45 and 80?
The greatest common factor (GCF) is 5.
How do you find the greatest common factor of 3 and 5?
The only factor they have in common is 1. It has to be the greatest.
What is the greatest common factor 47?
To find a common factor, you need at least two numbers.
