Online GCD Calculator is useful to find the GCD of 862, 138, 768, 921 quickly. Get the easiest ways to solve the greatest common divisor of 862, 138, 768, 921 i.e 1 in different methods as follows.
Given Input numbers are 862, 138, 768, 921
In the factoring method, we have to find the divisors of all numbers
Divisors of 862 :
The positive integer divisors of 862 that completely divides 862 are.
1, 2, 431, 862
Divisors of 138 :
The positive integer divisors of 138 that completely divides 138 are.
1, 2, 3, 6, 23, 46, 69, 138
Divisors of 768 :
The positive integer divisors of 768 that completely divides 768 are.
1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768
Divisors of 921 :
The positive integer divisors of 921 that completely divides 921 are.
1, 3, 307, 921
GCD of numbers is the greatest common divisor
So, the GCD (862, 138, 768, 921) = 1.
Given numbers are 862, 138, 768, 921
The list of prime factors of all numbers are
Prime factors of 862 are 2 x 431
Prime factors of 138 are 2 x 3 x 23
Prime factors of 768 are 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3
Prime factors of 921 are 3 x 307
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 862, 138, 768, 921
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(862, 138) = 59478
GCD(862, 138) = ( 862 x 138 ) / 59478
= 862 / 138
= 862
Step2:
LCM(2, 768) = 768
GCD(2, 768) = ( 2 x 768 ) / 768
= 2 / 768
= 2
Step3:
LCM(2, 921) = 1842
GCD(2, 921) = ( 2 x 921 ) / 1842
= 2 / 921
= 2
So, Greatest Common Divisor of 862, 138, 768, 921 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 862, 138, 768, 921
The greatest common divisor of numbers 862, 138, 768, 921 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 862, 138, 768, 921 is 1.
1. What is the GCD of 862, 138, 768, 921?
GCD of given numbers 862, 138, 768, 921 is 1
2. How to calculate the greatest common divisor of 862, 138, 768, 921?
We can find the highest common divisor of 862, 138, 768, 921 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 862, 138, 768, 921 i.e 1.
3. How can I use the GCD of 862, 138, 768, 921Calculator?
Out the numbers 862, 138, 768, 921 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.