GCD of 642, 855, 74, 370 Calculator

Given Input numbers are 642, 855, 74, 370

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

Divisors of 642 :

The positive integer divisors of 642 that completely divides 642 are.

1, 2, 3, 6, 107, 214, 321, 642

Divisors of 855 :

The positive integer divisors of 855 that completely divides 855 are.

1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855

Divisors of 74 :

The positive integer divisors of 74 that completely divides 74 are.

1, 2, 37, 74

Divisors of 370 :

The positive integer divisors of 370 that completely divides 370 are.

1, 2, 5, 10, 37, 74, 185, 370

GCD of numbers is the greatest common divisor

So, the GCD (642, 855, 74, 370) = 1.

Given numbers are 642, 855, 74, 370

The list of prime factors of all numbers are

Prime factors of 642 are 2 x 3 x 107

Prime factors of 855 are 3 x 3 x 5 x 19

Prime factors of 74 are 2 x 37

Prime factors of 370 are 2 x 5 x 37

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

Given numbers are 642, 855, 74, 370

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

Apply this formula for all numbers.

Step1:

LCM(642, 855) = 182970

GCD(642, 855) = ( 642 x 855 ) / 182970

= 642 / 855

= 642

Step2:

LCM(3, 74) = 222

GCD(3, 74) = ( 3 x 74 ) / 222

= 3 / 74

= 3

Step3:

LCM(1, 370) = 370

GCD(1, 370) = ( 1 x 370 ) / 370

= 1 / 370

= 1

So, Greatest Common Divisor of 642, 855, 74, 370 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 846, 374, 29, 711
• GCD of 579, 286, 15, 397
• GCD of 708, 756, 97, 161
• GCD of 399, 249, 64, 326
• GCD of 576, 965, 46, 109

Given numbers are 642, 855, 74, 370
The greatest common divisor of numbers 642, 855, 74, 370 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 642, 855, 74, 370 is 1.

1. What is the GCD of 642, 855, 74, 370?

GCD of given numbers 642, 855, 74, 370 is 1

2. How to calculate the greatest common divisor of 642, 855, 74, 370?

We can find the highest common divisor of 642, 855, 74, 370 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 642, 855, 74, 370 i.e 1.

3. How can I use the GCD of 642, 855, 74, 370Calculator?

Out the numbers 642, 855, 74, 370 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.