GCD of 646, 320, 707, 220 Calculator

Given Input numbers are 646, 320, 707, 220

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

Divisors of 646 :

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

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

Divisors of 320 :

The positive integer divisors of 320 that completely divides 320 are.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320

Divisors of 707 :

The positive integer divisors of 707 that completely divides 707 are.

1, 7, 101, 707

Divisors of 220 :

The positive integer divisors of 220 that completely divides 220 are.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220

GCD of numbers is the greatest common divisor

So, the GCD (646, 320, 707, 220) = 1.

Given numbers are 646, 320, 707, 220

The list of prime factors of all numbers are

Prime factors of 646 are 2 x 17 x 19

Prime factors of 320 are 2 x 2 x 2 x 2 x 2 x 2 x 5

Prime factors of 707 are 7 x 101

Prime factors of 220 are 2 x 2 x 5 x 11

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

Given numbers are 646, 320, 707, 220

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

Apply this formula for all numbers.

Step1:

LCM(646, 320) = 103360

GCD(646, 320) = ( 646 x 320 ) / 103360

= 646 / 320

= 646

Step2:

LCM(2, 707) = 1414

GCD(2, 707) = ( 2 x 707 ) / 1414

= 2 / 707

= 2

Step3:

LCM(1, 220) = 220

GCD(1, 220) = ( 1 x 220 ) / 220

= 1 / 220

= 1

So, Greatest Common Divisor of 646, 320, 707, 220 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 522, 110, 491, 104
• GCD of 443, 657, 192, 328
• GCD of 131, 876, 371, 220
• GCD of 204, 254, 921, 734
• GCD of 401, 247, 206, 682

Given numbers are 646, 320, 707, 220
The greatest common divisor of numbers 646, 320, 707, 220 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 646, 320, 707, 220 is 1.

1. What is the GCD of 646, 320, 707, 220?

GCD of given numbers 646, 320, 707, 220 is 1

2. How to calculate the greatest common divisor of 646, 320, 707, 220?

We can find the highest common divisor of 646, 320, 707, 220 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 646, 320, 707, 220 i.e 1.

3. How can I use the GCD of 646, 320, 707, 220Calculator?

Out the numbers 646, 320, 707, 220 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.