Online GCD Calculator is useful to find the GCD of 980, 420, 945 quickly. Get the easiest ways to solve the greatest common divisor of 980, 420, 945 i.e 35 in different methods as follows.
Given Input numbers are 980, 420, 945
In the factoring method, we have to find the divisors of all numbers
Divisors of 980 :
The positive integer divisors of 980 that completely divides 980 are.
1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980
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 945 :
The positive integer divisors of 945 that completely divides 945 are.
1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945
GCD of numbers is the greatest common divisor
So, the GCD (980, 420, 945) = 35.
Given numbers are 980, 420, 945
The list of prime factors of all numbers are
Prime factors of 980 are 2 x 2 x 5 x 7 x 7
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 945 are 3 x 3 x 3 x 5 x 7
The highest common occurrence is 51 x 71
Therefore, GCD of 980, 420, 945 is 35.
Given numbers are 980, 420, 945
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(980, 420) = 2940
GCD(980, 420) = ( 980 x 420 ) / 2940
= 980 / 420
= 980
Step2:
LCM(140, 945) = 3780
GCD(140, 945) = ( 140 x 945 ) / 3780
= 140 / 945
= 140
So, Greatest Common Divisor of 980, 420, 945 is 35
Here are some samples of GCD of Numbers calculations.
Given numbers are 980, 420, 945
The greatest common divisor of numbers 980, 420, 945 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 980, 420, 945 is 35.
1. What is the GCD of 980, 420, 945?
GCD of given numbers 980, 420, 945 is 35
2. How to calculate the greatest common divisor of 980, 420, 945?
We can find the highest common divisor of 980, 420, 945 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 980, 420, 945 i.e 35.
3. How can I use the GCD of 980, 420, 945Calculator?
Out the numbers 980, 420, 945 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.