Online GCD Calculator is useful to find the GCD of 771, 101, 642 quickly. Get the easiest ways to solve the greatest common divisor of 771, 101, 642 i.e 1 in different methods as follows.
Given Input numbers are 771, 101, 642
In the factoring method, we have to find the divisors of all numbers
Divisors of 771 :
The positive integer divisors of 771 that completely divides 771 are.
1, 3, 257, 771
Divisors of 101 :
The positive integer divisors of 101 that completely divides 101 are.
1, 101
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
GCD of numbers is the greatest common divisor
So, the GCD (771, 101, 642) = 1.
Given numbers are 771, 101, 642
The list of prime factors of all numbers are
Prime factors of 771 are 3 x 257
Prime factors of 101 are 101
Prime factors of 642 are 2 x 3 x 107
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 771, 101, 642
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(771, 101) = 77871
GCD(771, 101) = ( 771 x 101 ) / 77871
= 771 / 101
= 771
Step2:
LCM(1, 642) = 642
GCD(1, 642) = ( 1 x 642 ) / 642
= 1 / 642
= 1
So, Greatest Common Divisor of 771, 101, 642 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 771, 101, 642
The greatest common divisor of numbers 771, 101, 642 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 771, 101, 642 is 1.
1. What is the GCD of 771, 101, 642?
GCD of given numbers 771, 101, 642 is 1
2. How to calculate the greatest common divisor of 771, 101, 642?
We can find the highest common divisor of 771, 101, 642 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 771, 101, 642 i.e 1.
3. How can I use the GCD of 771, 101, 642Calculator?
Out the numbers 771, 101, 642 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.