GCF for 81 and 97

What is the Greatest Common Factor of 81 and 97?

Answer: GCF of 81 and 97 is 1

(One)

Finding GCF for 81 and 97 using all factors (divisors) listing

The first method to find GCF for numbers 81 and 97 is to list all factors for both numbers and pick the highest common one:

All factors of 81: 1, 3, 9, 27, 81

All factors of 97: 1, 97

So the Greatest Common Factor for 81 and 97 is 1

Finding GCF for 81 and 97 by Prime Factorization

GCF Table

Number 1Number 2GCF
66971
67971
68971
69971
70971
71971
72971
73971
74971
75971
76971
77971
78971
7997
80971
81971
82971
83971
84971
85971
86971
87971
88971
89971
90971
91971
92971
93971
94971
95971

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 Factor of 81 and 97? (The answer is: 1). Select the first number (e.g. '81') and the second number (e.g. '97'). 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

FAQ

What is the Greatest Common Factor of 81 and 97?

GCF of 81 and 97 is 1