GCD of 988, 642, 62, 670 Calculator

Given Input numbers are 988, 642, 62, 670

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

Divisors of 988

List of positive integer divisors of 988 that divides 988 without a remainder.

1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988

Divisors of 642

List of positive integer divisors of 642 that divides 642 without a remainder.

1, 2, 3, 6, 107, 214, 321, 642

Divisors of 62

List of positive integer divisors of 62 that divides 62 without a remainder.

1, 2, 31, 62

Divisors of 670

List of positive integer divisors of 670 that divides 670 without a remainder.

1, 2, 5, 10, 67, 134, 335, 670

Greatest Common Divisior

We found the divisors of 988, 642, 62, 670 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 988, 642, 62, 670 is 2.

Therefore, GCD of numbers 988, 642, 62, 670 is 2

Given Input Data is 988, 642, 62, 670

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

Prime Factorization of 988 is 2 x 2 x 13 x 19

Prime Factorization of 642 is 2 x 3 x 107

Prime Factorization of 62 is 2 x 31

Prime Factorization of 670 is 2 x 5 x 67

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(988, 642) = 317148

GCD(988, 642) = ( 988 x 642 ) / 317148

GCD(988, 642) = 634296 / 317148

GCD(988, 642) = 2

Step2:

Here we consider the GCD from the above i.e. 2 as first number and the next as 62

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

LCM(2, 62) = 62

GCD(2, 62) = ( 2 x 62 ) / 62

GCD(2, 62) = 124 / 62

GCD(2, 62) = 2

Step3:

Here we consider the GCD from the above i.e. 2 as first number and the next as 670

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

LCM(2, 670) = 670

GCD(2, 670) = ( 2 x 670 ) / 670

GCD(2, 670) = 1340 / 670

GCD(2, 670) = 2

GCD of 988, 642, 62, 670 is 2

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1. What is the GCD of 988, 642, 62, 670?

GCD of 988, 642, 62, 670 is 2

2. Where do I get the detailed procedure to find GCD of 988, 642, 62, 670?

You can find a detailed procedure to find GCD of 988, 642, 62, 670 on our page.

3. How to find GCD of 988, 642, 62, 670 on a calculator?

You can find the GCD of 988, 642, 62, 670 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.