GCD of 278, 420, 47 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 278, 420, 47 quickly. Get the easiest ways to solve the greatest common divisor of 278, 420, 47 i.e 1 in different methods as follows.
Given Input numbers are 278, 420, 47
In the factoring method, we have to find the divisors of all numbers
Divisors of 278 :
The positive integer divisors of 278 that completely divides 278 are.
1, 2, 139, 278
Divisors of 420 :
The positive integer divisors of 420 that completely divides 420 are.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
Divisors of 47 :
The positive integer divisors of 47 that completely divides 47 are.
1, 47
GCD of numbers is the greatest common divisor
So, the GCD (278, 420, 47) = 1.
Given numbers are 278, 420, 47
The list of prime factors of all numbers are
Prime factors of 278 are 2 x 139
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 47 are 47
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 278, 420, 47 using LCM Formula
Given numbers are 278, 420, 47
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(278, 420) = 58380
GCD(278, 420) = ( 278 x 420 ) / 58380
= 278 / 420
= 278
Step2:
LCM(2, 47) = 94
GCD(2, 47) = ( 2 x 47 ) / 94
= 2 / 47
= 2
So, Greatest Common Divisor of 278, 420, 47 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 278, 420, 47
Given numbers are 278, 420, 47
The greatest common divisor of numbers 278, 420, 47 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 278, 420, 47 is 1.
FAQs on GCD of 278, 420, 47 Calculator
1. What is the GCD of 278, 420, 47?
GCD of given numbers 278, 420, 47 is 1
2. How to calculate the greatest common divisor of 278, 420, 47?
We can find the highest common divisor of 278, 420, 47 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 278, 420, 47 i.e 1.
3. How can I use the GCD of 278, 420, 47Calculator?
Out the numbers 278, 420, 47 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.