GCF for 42 and 88

What is the Greatest common Divisor of 42 and 88?

Answer: GCF of 42 and 88 is 2

(Two)

Finding GCF for 42 and 88 using all factors (divisors) listing

The first method to find GCF for numbers 42 and 88 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 88: 1, 2, 4, 8, 11, 22, 44, 88

So the Greatest Common Factor for 42 and 88 is 2

Finding GCF for 42 and 88 by Prime Factorization

The second method to find GCF for numbers 42 and 88 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 42: 2, 3, 7

All Prime Factors of 88: 2, 2, 2, 11

As we can see there is only one Prime Factor common to both numbers. It is 2

So 2 is the Greatest Common Factor of 42 and 88

GCF Table

Number 1Number 2GCF
2788
28884
29881
30882
31881
32888
3388
34882
3588
3688
37881
38882
3988
40888
41881
42882
43881
4488
45881
46882
47881
4888
49881
50882
51881
52884
53881
5488
5588
5688

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 42 and 88? (The answer is: 2). Select the first number (e.g. '42') and the second number (e.g. '88'). 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 42 and 88?

GCF of 42 and 88 is 2