GCD of 640, 668, 144, 790 Calculator

Given Input numbers are 640, 668, 144, 790

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

Divisors of 640 :

The positive integer divisors of 640 that completely divides 640 are.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640

Divisors of 668 :

The positive integer divisors of 668 that completely divides 668 are.

1, 2, 4, 167, 334, 668

Divisors of 144 :

The positive integer divisors of 144 that completely divides 144 are.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144

Divisors of 790 :

The positive integer divisors of 790 that completely divides 790 are.

1, 2, 5, 10, 79, 158, 395, 790

GCD of numbers is the greatest common divisor

So, the GCD (640, 668, 144, 790) = 2.

Given numbers are 640, 668, 144, 790

The list of prime factors of all numbers are

Prime factors of 640 are 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5

Prime factors of 668 are 2 x 2 x 167

Prime factors of 144 are 2 x 2 x 2 x 2 x 3 x 3

Prime factors of 790 are 2 x 5 x 79

The highest common occurrence is 2¹

Therefore, GCD of 640, 668, 144, 790 is 2.

Given numbers are 640, 668, 144, 790

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

Apply this formula for all numbers.

Step1:

LCM(640, 668) = 106880

GCD(640, 668) = ( 640 x 668 ) / 106880

= 640 / 668

= 640

Step2:

LCM(4, 144) = 144

GCD(4, 144) = ( 4 x 144 ) / 144

= 4 / 144

= 4

Step3:

LCM(4, 790) = 1580

GCD(4, 790) = ( 4 x 790 ) / 1580

= 4 / 790

= 4

So, Greatest Common Divisor of 640, 668, 144, 790 is 2

Here are some samples of GCD of Numbers calculations.

• GCD of 326, 634, 253, 802
• GCD of 916, 994, 708, 514
• GCD of 233, 570, 315, 442
• GCD of 447, 554, 916, 303
• GCD of 235, 870, 642, 622

Given numbers are 640, 668, 144, 790
The greatest common divisor of numbers 640, 668, 144, 790 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 640, 668, 144, 790 is 2.

1. What is the GCD of 640, 668, 144, 790?

GCD of given numbers 640, 668, 144, 790 is 2

2. How to calculate the greatest common divisor of 640, 668, 144, 790?

We can find the highest common divisor of 640, 668, 144, 790 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 640, 668, 144, 790 i.e 2.

3. How can I use the GCD of 640, 668, 144, 790Calculator?

Out the numbers 640, 668, 144, 790 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.