GCD of 985, 840, 988, 665 Calculator

Given Input numbers are 985, 840, 988, 665

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

Divisors of 985 :

The positive integer divisors of 985 that completely divides 985 are.

1, 5, 197, 985

Divisors of 840 :

The positive integer divisors of 840 that completely divides 840 are.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840

Divisors of 988 :

The positive integer divisors of 988 that completely divides 988 are.

1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988

Divisors of 665 :

The positive integer divisors of 665 that completely divides 665 are.

1, 5, 7, 19, 35, 95, 133, 665

GCD of numbers is the greatest common divisor

So, the GCD (985, 840, 988, 665) = 1.

Given numbers are 985, 840, 988, 665

The list of prime factors of all numbers are

Prime factors of 985 are 5 x 197

Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7

Prime factors of 988 are 2 x 2 x 13 x 19

Prime factors of 665 are 5 x 7 x 19

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

Given numbers are 985, 840, 988, 665

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

Apply this formula for all numbers.

Step1:

LCM(985, 840) = 165480

GCD(985, 840) = ( 985 x 840 ) / 165480

= 985 / 840

= 985

Step2:

LCM(5, 988) = 4940

GCD(5, 988) = ( 5 x 988 ) / 4940

= 5 / 988

= 5

Step3:

LCM(1, 665) = 665

GCD(1, 665) = ( 1 x 665 ) / 665

= 1 / 665

= 1

So, Greatest Common Divisor of 985, 840, 988, 665 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 521, 272, 711, 738
• GCD of 715, 871, 951, 778
• GCD of 370, 304, 699, 898
• GCD of 747, 252, 433, 334
• GCD of 693, 538, 726, 608

Given numbers are 985, 840, 988, 665
The greatest common divisor of numbers 985, 840, 988, 665 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 985, 840, 988, 665 is 1.

1. What is the GCD of 985, 840, 988, 665?

GCD of given numbers 985, 840, 988, 665 is 1

2. How to calculate the greatest common divisor of 985, 840, 988, 665?

We can find the highest common divisor of 985, 840, 988, 665 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 985, 840, 988, 665 i.e 1.

3. How can I use the GCD of 985, 840, 988, 665Calculator?

Out the numbers 985, 840, 988, 665 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.