GCF for 61 and 73

What is the Greatest common Divisor of 61 and 73?

Answer: GCF of 61 and 73 is 1

(One)

Finding GCF for 61 and 73 using all factors (divisors) listing

The first method to find GCF for numbers 61 and 73 is to list all factors for both numbers and pick the highest common one:

All factors of 61: 1, 61

All factors of 73: 1, 73

So the Greatest Common Factor for 61 and 73 is 1

Finding GCF for 61 and 73 by Prime Factorization

See Also

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 61 and 73? (The answer is: 1). Select the first number (e.g. '61') and the second number (e.g. '73'). 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

GCF Table

Number 1Number 2GCF
46731
47731
48731
49731
50731
51731
52731
53731
54731
55731
56731
57731
58731
59731
6073
6173
62731
6373
64731
65731
66731
67731
68731
69731
70731
71731
72731
737373
74731
75731

FAQ

What is the Greatest common Divisor of 61 and 73?

GCF of 61 and 73 is 1