Online GCD Calculator is useful to find the GCD of 343, 639, 147 quickly. Get the easiest ways to solve the greatest common divisor of 343, 639, 147 i.e 1 in different methods as follows.
Given Input numbers are 343, 639, 147
In the factoring method, we have to find the divisors of all numbers
Divisors of 343 :
The positive integer divisors of 343 that completely divides 343 are.
1, 7, 49, 343
Divisors of 639 :
The positive integer divisors of 639 that completely divides 639 are.
1, 3, 9, 71, 213, 639
Divisors of 147 :
The positive integer divisors of 147 that completely divides 147 are.
1, 3, 7, 21, 49, 147
GCD of numbers is the greatest common divisor
So, the GCD (343, 639, 147) = 1.
Given numbers are 343, 639, 147
The list of prime factors of all numbers are
Prime factors of 343 are 7 x 7 x 7
Prime factors of 639 are 3 x 3 x 71
Prime factors of 147 are 3 x 7 x 7
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 343, 639, 147
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(343, 639) = 219177
GCD(343, 639) = ( 343 x 639 ) / 219177
= 343 / 639
= 343
Step2:
LCM(1, 147) = 147
GCD(1, 147) = ( 1 x 147 ) / 147
= 1 / 147
= 1
So, Greatest Common Divisor of 343, 639, 147 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 343, 639, 147
The greatest common divisor of numbers 343, 639, 147 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 343, 639, 147 is 1.
1. What is the GCD of 343, 639, 147?
GCD of given numbers 343, 639, 147 is 1
2. How to calculate the greatest common divisor of 343, 639, 147?
We can find the highest common divisor of 343, 639, 147 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 343, 639, 147 i.e 1.
3. How can I use the GCD of 343, 639, 147Calculator?
Out the numbers 343, 639, 147 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.