GCD of 145, 628, 816, 438 Calculator

Given Input numbers are 145, 628, 816, 438

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

Divisors of 145 :

The positive integer divisors of 145 that completely divides 145 are.

1, 5, 29, 145

Divisors of 628 :

The positive integer divisors of 628 that completely divides 628 are.

1, 2, 4, 157, 314, 628

Divisors of 816 :

The positive integer divisors of 816 that completely divides 816 are.

1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816

Divisors of 438 :

The positive integer divisors of 438 that completely divides 438 are.

1, 2, 3, 6, 73, 146, 219, 438

GCD of numbers is the greatest common divisor

So, the GCD (145, 628, 816, 438) = 1.

Given numbers are 145, 628, 816, 438

The list of prime factors of all numbers are

Prime factors of 145 are 5 x 29

Prime factors of 628 are 2 x 2 x 157

Prime factors of 816 are 2 x 2 x 2 x 2 x 3 x 17

Prime factors of 438 are 2 x 3 x 73

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

Given numbers are 145, 628, 816, 438

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

Apply this formula for all numbers.

Step1:

LCM(145, 628) = 91060

GCD(145, 628) = ( 145 x 628 ) / 91060

= 145 / 628

= 145

Step2:

LCM(1, 816) = 816

GCD(1, 816) = ( 1 x 816 ) / 816

= 1 / 816

= 1

Step3:

LCM(1, 438) = 438

GCD(1, 438) = ( 1 x 438 ) / 438

= 1 / 438

= 1

So, Greatest Common Divisor of 145, 628, 816, 438 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 228, 831, 636, 680
• GCD of 962, 230, 101, 365
• GCD of 643, 365, 990, 766
• GCD of 744, 446, 170, 910
• GCD of 967, 142, 574, 363

Given numbers are 145, 628, 816, 438
The greatest common divisor of numbers 145, 628, 816, 438 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 145, 628, 816, 438 is 1.

1. What is the GCD of 145, 628, 816, 438?

GCD of given numbers 145, 628, 816, 438 is 1

2. How to calculate the greatest common divisor of 145, 628, 816, 438?

We can find the highest common divisor of 145, 628, 816, 438 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 145, 628, 816, 438 i.e 1.

3. How can I use the GCD of 145, 628, 816, 438Calculator?

Out the numbers 145, 628, 816, 438 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.