GCD of 749, 931, 638, 387 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 749, 931, 638, 387 quickly. Get the easiest ways to solve the greatest common divisor of 749, 931, 638, 387 i.e 1 in different methods as follows.
Given Input numbers are 749, 931, 638, 387
In the factoring method, we have to find the divisors of all numbers
Divisors of 749 :
The positive integer divisors of 749 that completely divides 749 are.
1, 7, 107, 749
Divisors of 931 :
The positive integer divisors of 931 that completely divides 931 are.
1, 7, 19, 49, 133, 931
Divisors of 638 :
The positive integer divisors of 638 that completely divides 638 are.
1, 2, 11, 22, 29, 58, 319, 638
Divisors of 387 :
The positive integer divisors of 387 that completely divides 387 are.
1, 3, 9, 43, 129, 387
GCD of numbers is the greatest common divisor
So, the GCD (749, 931, 638, 387) = 1.
Given numbers are 749, 931, 638, 387
The list of prime factors of all numbers are
Prime factors of 749 are 7 x 107
Prime factors of 931 are 7 x 7 x 19
Prime factors of 638 are 2 x 11 x 29
Prime factors of 387 are 3 x 3 x 43
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 749, 931, 638, 387 using LCM Formula
Given numbers are 749, 931, 638, 387
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(749, 931) = 99617
GCD(749, 931) = ( 749 x 931 ) / 99617
= 749 / 931
= 749
Step2:
LCM(7, 638) = 4466
GCD(7, 638) = ( 7 x 638 ) / 4466
= 7 / 638
= 7
Step3:
LCM(1, 387) = 387
GCD(1, 387) = ( 1 x 387 ) / 387
= 1 / 387
= 1
So, Greatest Common Divisor of 749, 931, 638, 387 is 1
GCD of Numbers Calculation Examples
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Greatest Common Divisor of 749, 931, 638, 387
Given numbers are 749, 931, 638, 387
The greatest common divisor of numbers 749, 931, 638, 387 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 749, 931, 638, 387 is 1.
FAQs on GCD of 749, 931, 638, 387 Calculator
1. What is the GCD of 749, 931, 638, 387?
GCD of given numbers 749, 931, 638, 387 is 1
2. How to calculate the greatest common divisor of 749, 931, 638, 387?
We can find the highest common divisor of 749, 931, 638, 387 easily using the prime factorization method. Just list the prime factors of all numbers and pick the highest common factor which is the GCD of 749, 931, 638, 387 i.e 1.
3. How can I use the GCD of 749, 931, 638, 387Calculator?
Out the numbers 749, 931, 638, 387 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.