GCD of 420, 845, 248, 135 Calculator

Given Input numbers are 420, 845, 248, 135

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

Divisors of 420 :

The positive integer divisors of 420 that completely divides 420 are.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420

Divisors of 845 :

The positive integer divisors of 845 that completely divides 845 are.

1, 5, 13, 65, 169, 845

Divisors of 248 :

The positive integer divisors of 248 that completely divides 248 are.

1, 2, 4, 8, 31, 62, 124, 248

Divisors of 135 :

The positive integer divisors of 135 that completely divides 135 are.

1, 3, 5, 9, 15, 27, 45, 135

GCD of numbers is the greatest common divisor

So, the GCD (420, 845, 248, 135) = 1.

Given numbers are 420, 845, 248, 135

The list of prime factors of all numbers are

Prime factors of 420 are 2 x 2 x 3 x 5 x 7

Prime factors of 845 are 5 x 13 x 13

Prime factors of 248 are 2 x 2 x 2 x 31

Prime factors of 135 are 3 x 3 x 3 x 5

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

Given numbers are 420, 845, 248, 135

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

Apply this formula for all numbers.

Step1:

LCM(420, 845) = 70980

GCD(420, 845) = ( 420 x 845 ) / 70980

= 420 / 845

= 420

Step2:

LCM(5, 248) = 1240

GCD(5, 248) = ( 5 x 248 ) / 1240

= 5 / 248

= 5

Step3:

LCM(1, 135) = 135

GCD(1, 135) = ( 1 x 135 ) / 135

= 1 / 135

= 1

So, Greatest Common Divisor of 420, 845, 248, 135 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 460, 743, 826, 484
• GCD of 995, 539, 972, 130
• GCD of 125, 516, 239, 218
• GCD of 775, 331, 159, 281
• GCD of 246, 422, 249, 412

Given numbers are 420, 845, 248, 135
The greatest common divisor of numbers 420, 845, 248, 135 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 420, 845, 248, 135 is 1.

1. What is the GCD of 420, 845, 248, 135?

GCD of given numbers 420, 845, 248, 135 is 1

2. How to calculate the greatest common divisor of 420, 845, 248, 135?

We can find the highest common divisor of 420, 845, 248, 135 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 420, 845, 248, 135 i.e 1.

3. How can I use the GCD of 420, 845, 248, 135Calculator?

Out the numbers 420, 845, 248, 135 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.