GCF for 89 and 90

What is the Greatest Common Factor of 89 and 90?

Answer: GCF of 89 and 90 is 1

(One)

Finding GCF for 89 and 90 using all factors (divisors) listing

The first method to find GCF for numbers 89 and 90 is to list all factors for both numbers and pick the highest common one:

All factors of 89: 1, 89

All factors of 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

So the Greatest Common Factor for 89 and 90 is 1

Finding GCF for 89 and 90 by Prime Factorization

Related Calculations

GCF Table

Number 1Number 2GCF
74902
7590
76902
77901
78906
79901
8090
81909
82902
83901
8490
85905
86902
87903
88902
89901
909090
91901
92902
93903
94902
95905
96906
97901
98902
99909
1009010
101901
102906
103901

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 89 and 90? (The answer is: 1). Select the first number (e.g. '89') and the second number (e.g. '90'). 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 89 and 90?

GCF of 89 and 90 is 1