GCF for 75 and 77

What is the Greatest Common Factor of 75 and 77?

Answer: GCF of 75 and 77 is 1

(One)

Finding GCF for 75 and 77 using all factors (divisors) listing

The first method to find GCF for numbers 75 and 77 is to list all factors for both numbers and pick the highest common one:

All factors of 75: 1, 3, 5, 15, 25, 75

All factors of 77: 1, 7, 11, 77

So the Greatest Common Factor for 75 and 77 is 1

Finding GCF for 75 and 77 by Prime Factorization

GCF Table

Number 1Number 2GCF
60771
61771
62771
6377
64771
65771
667711
67771
68771
69771
70777
71771
72771
73771
74771
75771
76771
777777
78771
79771
80771
81771
82771
83771
84777
85771
86771
87771
887711
89771

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 75 and 77? (The answer is: 1). Select the first number (e.g. '75') and the second number (e.g. '77'). 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 75 and 77?

GCF of 75 and 77 is 1