GCF for 89 and 91

What is the Greatest common Divisor of 89 and 91?

Answer: GCF of 89 and 91 is 1

(One)

Finding GCF for 89 and 91 using all factors (divisors) listing

The first method to find GCF for numbers 89 and 91 is to list all factors for both numbers and pick the highest common one:

All factors of 89: 1, 89

All factors of 91: 1, 7, 13, 91

So the Greatest Common Factor for 89 and 91 is 1

Finding GCF for 89 and 91 by Prime Factorization

GCF Table

Number 1Number 2GCF
74911
75911
76911
7791
7891
79911
80911
81911
82911
83911
8491
85911
86911
87911
88911
89911
90911
919191
92911
93911
94911
95911
96911
97911
98917
99911
100911
101911
102911
103911

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 89 and 91? (The answer is: 1). Select the first number (e.g. '89') and the second number (e.g. '91'). 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 Divisor of 89 and 91?

GCF of 89 and 91 is 1