GCD of 768, 620, 646, 385 Calculator

Given Input numbers are 768, 620, 646, 385

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

Divisors of 768 :

The positive integer divisors of 768 that completely divides 768 are.

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768

Divisors of 620 :

The positive integer divisors of 620 that completely divides 620 are.

1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620

Divisors of 646 :

The positive integer divisors of 646 that completely divides 646 are.

1, 2, 17, 19, 34, 38, 323, 646

Divisors of 385 :

The positive integer divisors of 385 that completely divides 385 are.

1, 5, 7, 11, 35, 55, 77, 385

GCD of numbers is the greatest common divisor

So, the GCD (768, 620, 646, 385) = 1.

Given numbers are 768, 620, 646, 385

The list of prime factors of all numbers are

Prime factors of 768 are 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3

Prime factors of 620 are 2 x 2 x 5 x 31

Prime factors of 646 are 2 x 17 x 19

Prime factors of 385 are 5 x 7 x 11

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

Given numbers are 768, 620, 646, 385

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

Apply this formula for all numbers.

Step1:

LCM(768, 620) = 119040

GCD(768, 620) = ( 768 x 620 ) / 119040

= 768 / 620

= 768

Step2:

LCM(4, 646) = 1292

GCD(4, 646) = ( 4 x 646 ) / 1292

= 4 / 646

= 4

Step3:

LCM(2, 385) = 770

GCD(2, 385) = ( 2 x 385 ) / 770

= 2 / 385

= 2

So, Greatest Common Divisor of 768, 620, 646, 385 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 558, 432, 800, 272
• GCD of 386, 196, 346, 985
• GCD of 192, 277, 845, 369
• GCD of 904, 381, 313, 986
• GCD of 306, 941, 310, 497

Given numbers are 768, 620, 646, 385
The greatest common divisor of numbers 768, 620, 646, 385 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 768, 620, 646, 385 is 1.

1. What is the GCD of 768, 620, 646, 385?

GCD of given numbers 768, 620, 646, 385 is 1

2. How to calculate the greatest common divisor of 768, 620, 646, 385?

We can find the highest common divisor of 768, 620, 646, 385 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 768, 620, 646, 385 i.e 1.

3. How can I use the GCD of 768, 620, 646, 385Calculator?

Out the numbers 768, 620, 646, 385 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.