GCF for 72 and 85
"Greatest Common Factor" Calculator
What is the Greatest common Divisor of 72 and 85?
Answer: GCF of 72 and 85 is 1
(One)
Finding GCF for 72 and 85 using all factors (divisors) listing
The first method to find GCF for numbers 72 and 85 is to list all factors for both numbers and pick the highest common one:
All factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
All factors of 85: 1, 5, 17, 85
So the Greatest Common Factor for 72 and 85 is 1
Finding GCF for 72 and 85 by Prime Factorization
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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 72 and 85? (The answer is: 1). Select the first number (e.g. '72') and the second number (e.g. '85'). 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