Greatest Common Factor of 20, 27, 975, 210

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 20, 27, 975, 210 by common division method
• Greatest Common Factor of 20, 27, 975, 210 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 975

List of positive integer factors of 975 that divides 975 without a remainder.

1,3,5,13,15,25,39,65,75,195,325,975

Factors of 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Greatest Common Factor

We found the factors 20,27,975,210 . The biggest common factor number is the GCF number.
So the greatest common factor 20,27,975,210 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 55, 29, 341, 536
• GCF of 70, 87, 764, 379
• GCF of 30, 80, 683, 921
• GCF of 99, 13, 288, 709
• GCF of 64, 48, 767, 212

1. What is the GCF of 20, 27, 975, 210?

Answer: GCF of 20, 27, 975, 210 is 1.

2. How to Find the GCF of 20, 27, 975, 210

Answer: Greatest Common Factor(GCF) of 20, 27, 975, 210 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(20, 27, 975, 210) = 1.