GCD of 731, 155, 239, 642 Calculator

Given Input numbers are 731, 155, 239, 642

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

Divisors of 731 :

The positive integer divisors of 731 that completely divides 731 are.

1, 17, 43, 731

Divisors of 155 :

The positive integer divisors of 155 that completely divides 155 are.

1, 5, 31, 155

Divisors of 239 :

The positive integer divisors of 239 that completely divides 239 are.

1, 239

Divisors of 642 :

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

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

GCD of numbers is the greatest common divisor

So, the GCD (731, 155, 239, 642) = 1.

Given numbers are 731, 155, 239, 642

The list of prime factors of all numbers are

Prime factors of 731 are 17 x 43

Prime factors of 155 are 5 x 31

Prime factors of 239 are 239

Prime factors of 642 are 2 x 3 x 107

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

Given numbers are 731, 155, 239, 642

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

Apply this formula for all numbers.

Step1:

LCM(731, 155) = 113305

GCD(731, 155) = ( 731 x 155 ) / 113305

= 731 / 155

= 731

Step2:

LCM(1, 239) = 239

GCD(1, 239) = ( 1 x 239 ) / 239

= 1 / 239

= 1

Step3:

LCM(1, 642) = 642

GCD(1, 642) = ( 1 x 642 ) / 642

= 1 / 642

= 1

So, Greatest Common Divisor of 731, 155, 239, 642 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 184, 987, 601, 994
• GCD of 848, 121, 496, 140
• GCD of 474, 765, 151, 271
• GCD of 546, 193, 425, 597
• GCD of 856, 639, 884, 500

Given numbers are 731, 155, 239, 642
The greatest common divisor of numbers 731, 155, 239, 642 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 731, 155, 239, 642 is 1.

1. What is the GCD of 731, 155, 239, 642?

GCD of given numbers 731, 155, 239, 642 is 1

2. How to calculate the greatest common divisor of 731, 155, 239, 642?

We can find the highest common divisor of 731, 155, 239, 642 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 731, 155, 239, 642 i.e 1.

3. How can I use the GCD of 731, 155, 239, 642Calculator?

Out the numbers 731, 155, 239, 642 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.