GCF for 42 and 47

What is the Greatest Common Factor of 42 and 47?

Answer: GCF of 42 and 47 is 1

(One)

Finding GCF for 42 and 47 using all factors (divisors) listing

The first method to find GCF for numbers 42 and 47 is to list all factors for both numbers and pick the highest common one:

All factors of 42: 1, 2, 3, 6, 7, 14, 21, 42

All factors of 47: 1, 47

So the Greatest Common Factor for 42 and 47 is 1

Finding GCF for 42 and 47 by Prime Factorization

Related Calculations

GCF Table

Number 1Number 2GCF
27471
28471
29471
30471
31471
32471
33471
34471
35471
36471
37471
38471
39471
40471
41471
42471
43471
44471
45471
46471
474747
48471
49471
50471
51471
52471
53471
54471
55471
56471

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 42 and 47? (The answer is: 1). Select the first number (e.g. '42') and the second number (e.g. '47'). 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 42 and 47?

GCF of 42 and 47 is 1