Online GCD Calculator is useful to find the GCD of 974, 658, 642, 688 quickly. Get the easiest ways to solve the greatest common divisor of 974, 658, 642, 688 i.e 2 in different methods as follows.
Given Input numbers are 974, 658, 642, 688
In the factoring method, we have to find the divisors of all numbers
Divisors of 974 :
The positive integer divisors of 974 that completely divides 974 are.
1, 2, 487, 974
Divisors of 658 :
The positive integer divisors of 658 that completely divides 658 are.
1, 2, 7, 14, 47, 94, 329, 658
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
Divisors of 688 :
The positive integer divisors of 688 that completely divides 688 are.
1, 2, 4, 8, 16, 43, 86, 172, 344, 688
GCD of numbers is the greatest common divisor
So, the GCD (974, 658, 642, 688) = 2.
Given numbers are 974, 658, 642, 688
The list of prime factors of all numbers are
Prime factors of 974 are 2 x 487
Prime factors of 658 are 2 x 7 x 47
Prime factors of 642 are 2 x 3 x 107
Prime factors of 688 are 2 x 2 x 2 x 2 x 43
The highest common occurrence is 21
Therefore, GCD of 974, 658, 642, 688 is 2.
Given numbers are 974, 658, 642, 688
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(974, 658) = 320446
GCD(974, 658) = ( 974 x 658 ) / 320446
= 974 / 658
= 974
Step2:
LCM(2, 642) = 642
GCD(2, 642) = ( 2 x 642 ) / 642
= 2 / 642
= 2
Step3:
LCM(2, 688) = 688
GCD(2, 688) = ( 2 x 688 ) / 688
= 2 / 688
= 2
So, Greatest Common Divisor of 974, 658, 642, 688 is 2
Here are some samples of GCD of Numbers calculations.
Given numbers are 974, 658, 642, 688
The greatest common divisor of numbers 974, 658, 642, 688 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 974, 658, 642, 688 is 2.
1. What is the GCD of 974, 658, 642, 688?
GCD of given numbers 974, 658, 642, 688 is 2
2. How to calculate the greatest common divisor of 974, 658, 642, 688?
We can find the highest common divisor of 974, 658, 642, 688 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 974, 658, 642, 688 i.e 2.
3. How can I use the GCD of 974, 658, 642, 688Calculator?
Out the numbers 974, 658, 642, 688 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.