GCD of 66, 42, 70, 26 Calculator

Given Input numbers are 66, 42, 70, 26

To find the GCD of numbers using factoring list out all the divisors of each number

Divisors of 66

List of positive integer divisors of 66 that divides 66 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66

Divisors of 42

List of positive integer divisors of 42 that divides 42 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42

Divisors of 70

List of positive integer divisors of 70 that divides 70 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70

Divisors of 26

List of positive integer divisors of 26 that divides 26 without a remainder.

1, 2, 13, 26

Greatest Common Divisior

We found the divisors of 66, 42, 70, 26 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 66, 42, 70, 26 is 2.

Therefore, GCD of numbers 66, 42, 70, 26 is 2

Given Input Data is 66, 42, 70, 26

Make a list of Prime Factors of all the given numbers initially

Prime Factorization of 66 is 2 x 3 x 11

Prime Factorization of 42 is 2 x 3 x 7

Prime Factorization of 70 is 2 x 5 x 7

Prime Factorization of 26 is 2 x 13

Highest common occurrences in the given inputs are 2¹

Multiplying them we get the GCD as 2

Step1:

Let's calculate the GCD of first two numbers

The formula of GCD is GCD(a, b) = ( a x b) / LCM(a, b)

LCM(66, 42) = 462

GCD(66, 42) = ( 66 x 42 ) / 462

GCD(66, 42) = 2772 / 462

GCD(66, 42) = 6

Step2:

Here we consider the GCD from the above i.e. 6 as first number and the next as 70

The formula of GCD is GCD(a, b) = ( a x b) / LCM(a, b)

LCM(6, 70) = 210

GCD(6, 70) = ( 6 x 70 ) / 210

GCD(6, 70) = 420 / 210

GCD(6, 70) = 2

Step3:

Here we consider the GCD from the above i.e. 2 as first number and the next as 26

The formula of GCD is GCD(a, b) = ( a x b) / LCM(a, b)

LCM(2, 26) = 26

GCD(2, 26) = ( 2 x 26 ) / 26

GCD(2, 26) = 52 / 26

GCD(2, 26) = 2

GCD of 66, 42, 70, 26 is 2

Here are some samples of GCD of Numbers calculations.

• GCD of 90, 68, 81, 83
• GCD of 59, 22, 29, 35
• GCD of 77, 41, 80, 11
• GCD of 73, 16, 95, 50
• GCD of 58, 30, 16, 75

1. What is the GCD of 66, 42, 70, 26?

GCD of 66, 42, 70, 26 is 2

2. Where do I get the detailed procedure to find GCD of 66, 42, 70, 26?

You can find a detailed procedure to find GCD of 66, 42, 70, 26 on our page.

3. How to find GCD of 66, 42, 70, 26 on a calculator?

You can find the GCD of 66, 42, 70, 26 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.