GCD of 161, 520, 170, 972 Calculator

Given Input numbers are 161, 520, 170, 972

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

Divisors of 161 :

The positive integer divisors of 161 that completely divides 161 are.

1, 7, 23, 161

Divisors of 520 :

The positive integer divisors of 520 that completely divides 520 are.

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520

Divisors of 170 :

The positive integer divisors of 170 that completely divides 170 are.

1, 2, 5, 10, 17, 34, 85, 170

Divisors of 972 :

The positive integer divisors of 972 that completely divides 972 are.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972

GCD of numbers is the greatest common divisor

So, the GCD (161, 520, 170, 972) = 1.

Given numbers are 161, 520, 170, 972

The list of prime factors of all numbers are

Prime factors of 161 are 7 x 23

Prime factors of 520 are 2 x 2 x 2 x 5 x 13

Prime factors of 170 are 2 x 5 x 17

Prime factors of 972 are 2 x 2 x 3 x 3 x 3 x 3 x 3

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

Given numbers are 161, 520, 170, 972

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

Apply this formula for all numbers.

Step1:

LCM(161, 520) = 83720

GCD(161, 520) = ( 161 x 520 ) / 83720

= 161 / 520

= 161

Step2:

LCM(1, 170) = 170

GCD(1, 170) = ( 1 x 170 ) / 170

= 1 / 170

= 1

Step3:

LCM(1, 972) = 972

GCD(1, 972) = ( 1 x 972 ) / 972

= 1 / 972

= 1

So, Greatest Common Divisor of 161, 520, 170, 972 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 663, 107, 723, 665
• GCD of 644, 856, 954, 224
• GCD of 516, 487, 713, 261
• GCD of 425, 971, 644, 737
• GCD of 932, 120, 872, 252

Given numbers are 161, 520, 170, 972
The greatest common divisor of numbers 161, 520, 170, 972 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 161, 520, 170, 972 is 1.

1. What is the GCD of 161, 520, 170, 972?

GCD of given numbers 161, 520, 170, 972 is 1

2. How to calculate the greatest common divisor of 161, 520, 170, 972?

We can find the highest common divisor of 161, 520, 170, 972 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 161, 520, 170, 972 i.e 1.

3. How can I use the GCD of 161, 520, 170, 972Calculator?

Out the numbers 161, 520, 170, 972 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.