Online GCD Calculator is useful to find the GCD of 272, 680, 221 quickly. Get the easiest ways to solve the greatest common divisor of 272, 680, 221 i.e 17 in different methods as follows.
Given Input numbers are 272, 680, 221
In the factoring method, we have to find the divisors of all numbers
Divisors of 272 :
The positive integer divisors of 272 that completely divides 272 are.
1, 2, 4, 8, 16, 17, 34, 68, 136, 272
Divisors of 680 :
The positive integer divisors of 680 that completely divides 680 are.
1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680
Divisors of 221 :
The positive integer divisors of 221 that completely divides 221 are.
1, 13, 17, 221
GCD of numbers is the greatest common divisor
So, the GCD (272, 680, 221) = 17.
Given numbers are 272, 680, 221
The list of prime factors of all numbers are
Prime factors of 272 are 2 x 2 x 2 x 2 x 17
Prime factors of 680 are 2 x 2 x 2 x 5 x 17
Prime factors of 221 are 13 x 17
The highest common occurrence is 171
Therefore, GCD of 272, 680, 221 is 17.
Given numbers are 272, 680, 221
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(272, 680) = 1360
GCD(272, 680) = ( 272 x 680 ) / 1360
= 272 / 680
= 272
Step2:
LCM(136, 221) = 1768
GCD(136, 221) = ( 136 x 221 ) / 1768
= 136 / 221
= 136
So, Greatest Common Divisor of 272, 680, 221 is 17
Here are some samples of GCD of Numbers calculations.
Given numbers are 272, 680, 221
The greatest common divisor of numbers 272, 680, 221 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 272, 680, 221 is 17.
1. What is the GCD of 272, 680, 221?
GCD of given numbers 272, 680, 221 is 17
2. How to calculate the greatest common divisor of 272, 680, 221?
We can find the highest common divisor of 272, 680, 221 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 272, 680, 221 i.e 17.
3. How can I use the GCD of 272, 680, 221Calculator?
Out the numbers 272, 680, 221 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.