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Given two numbers, you find the largest possible number, which is a factor of both numbers. One way to do this is to find the prime factors of each number, then collect the prime factors that are common to both numbers, then multiply these together to get the GCF. If there are not common prime factors, then 1 is the GCF, since 1 is a factor of every whole number.
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BeauThe greatest or highest common factor is required when reducing fractions to their simplest form as for example 75/100 and so the HCF of 75 and 100 is 25 then dividing the numerator and the denominator by 25: 75/100 = 3/4
The HCF is the highest number that will divide equally into two or more numbers leaving no remaiders.
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The greatest common factor of 32 and 24?
The Greatest Common Factor (GCF) is: 8
What is the greatest common factor of 38 and 4?
The greatest common factor is 2
What is the greatest common factor of 39 and 30?
The greatest common factor of 30 and 39 is 3.
What is greatest common factor of 15 25 and 30?
The greatest common factor (GCF) is: 5.
What is the greatest common factor for 182?
There is no Greatest Common Factor (GCF) for a single number. The Greatest Common Factor (GCF) is the largest factor common to two or more given numbers.
