GCD of 121, 720, 477, 257 Calculator

Given Input numbers are 121, 720, 477, 257

In the factoring method, we have to find the divisors of all numbers

Divisors of 121 :

The positive integer divisors of 121 that completely divides 121 are.

1, 11, 121

Divisors of 720 :

The positive integer divisors of 720 that completely divides 720 are.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720

Divisors of 477 :

The positive integer divisors of 477 that completely divides 477 are.

1, 3, 9, 53, 159, 477

Divisors of 257 :

The positive integer divisors of 257 that completely divides 257 are.

1, 257

GCD of numbers is the greatest common divisor

So, the GCD (121, 720, 477, 257) = 1.

Given numbers are 121, 720, 477, 257

The list of prime factors of all numbers are

Prime factors of 121 are 11 x 11

Prime factors of 720 are 2 x 2 x 2 x 2 x 3 x 3 x 5

Prime factors of 477 are 3 x 3 x 53

Prime factors of 257 are 257

The above numbers do not have any common prime factor. So GCD is 1

Given numbers are 121, 720, 477, 257

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(121, 720) = 87120

GCD(121, 720) = ( 121 x 720 ) / 87120

= 121 / 720

= 121

Step2:

LCM(1, 477) = 477

GCD(1, 477) = ( 1 x 477 ) / 477

= 1 / 477

= 1

Step3:

LCM(1, 257) = 257

GCD(1, 257) = ( 1 x 257 ) / 257

= 1 / 257

= 1

So, Greatest Common Divisor of 121, 720, 477, 257 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 467, 932, 545, 680
• GCD of 947, 445, 515, 742
• GCD of 709, 397, 921, 292
• GCD of 494, 235, 644, 186
• GCD of 371, 423, 342, 351

Given numbers are 121, 720, 477, 257
The greatest common divisor of numbers 121, 720, 477, 257 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 121, 720, 477, 257 is 1.

1. What is the GCD of 121, 720, 477, 257?

GCD of given numbers 121, 720, 477, 257 is 1

2. How to calculate the greatest common divisor of 121, 720, 477, 257?

We can find the highest common divisor of 121, 720, 477, 257 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 121, 720, 477, 257 i.e 1.

3. How can I use the GCD of 121, 720, 477, 257Calculator?

Out the numbers 121, 720, 477, 257 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.