GCF for 91 and 104
"Greatest Common Factor" Calculator
What is the Greatest common Divisor of 91 and 104?
Answer: GCF of 91 and 104 is 13
(Thirteen)
Finding GCF for 91 and 104 using all factors (divisors) listing
The first method to find GCF for numbers 91 and 104 is to list all factors for both numbers and pick the highest common one:
All factors of 91: 1, 7, 13, 91
All factors of 104: 1, 2, 4, 8, 13, 26, 52, 104
So the Greatest Common Factor for 91 and 104 is 13
Finding GCF for 91 and 104 by Prime Factorization
The second method to find GCF for numbers 91 and 104 is to list all Prime Factors for both numbers and multiply the common ones:
All Prime Factors of 91: 7, 13
All Prime Factors of 104: 2, 2, 2, 13
As we can see there is only one Prime Factor common to both numbers. It is 13
So 13 is the Greatest Common Factor of 91 and 104
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About "Greatest Common Factor" Calculator
This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest common Divisor of 91 and 104? (The answer is: 13). Select the first number (e.g. '91') and the second number (e.g. '104'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder