GCD of 165, 909, 158, 840 Calculator

Given Input numbers are 165, 909, 158, 840

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

Divisors of 165 :

The positive integer divisors of 165 that completely divides 165 are.

1, 3, 5, 11, 15, 33, 55, 165

Divisors of 909 :

The positive integer divisors of 909 that completely divides 909 are.

1, 3, 9, 101, 303, 909

Divisors of 158 :

The positive integer divisors of 158 that completely divides 158 are.

1, 2, 79, 158

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

GCD of numbers is the greatest common divisor

So, the GCD (165, 909, 158, 840) = 1.

Given numbers are 165, 909, 158, 840

The list of prime factors of all numbers are

Prime factors of 165 are 3 x 5 x 11

Prime factors of 909 are 3 x 3 x 101

Prime factors of 158 are 2 x 79

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

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

Given numbers are 165, 909, 158, 840

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

Apply this formula for all numbers.

Step1:

LCM(165, 909) = 49995

GCD(165, 909) = ( 165 x 909 ) / 49995

= 165 / 909

= 165

Step2:

LCM(3, 158) = 474

GCD(3, 158) = ( 3 x 158 ) / 474

= 3 / 158

= 3

Step3:

LCM(1, 840) = 840

GCD(1, 840) = ( 1 x 840 ) / 840

= 1 / 840

= 1

So, Greatest Common Divisor of 165, 909, 158, 840 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 344, 109, 793, 294
• GCD of 717, 872, 847, 355
• GCD of 255, 976, 779, 313
• GCD of 502, 492, 995, 416
• GCD of 903, 934, 864, 796

Given numbers are 165, 909, 158, 840
The greatest common divisor of numbers 165, 909, 158, 840 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 165, 909, 158, 840 is 1.

1. What is the GCD of 165, 909, 158, 840?

GCD of given numbers 165, 909, 158, 840 is 1

2. How to calculate the greatest common divisor of 165, 909, 158, 840?

We can find the highest common divisor of 165, 909, 158, 840 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 165, 909, 158, 840 i.e 1.

3. How can I use the GCD of 165, 909, 158, 840Calculator?

Out the numbers 165, 909, 158, 840 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.