Greatest Common Factor of 20, 71, 47, 134

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

• Greatest Common Factor of 20, 71, 47, 134 by common division method
• Greatest Common Factor of 20, 71, 47, 134 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 134

List of positive integer factors of 134 that divides 134 without a remainder.

1,2,67,134

Greatest Common Factor

We found the factors 20,71,47,134 . The biggest common factor number is the GCF number.
So the greatest common factor 20,71,47,134 is 1.

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

• GCF of 17, 75, 74, 363
• GCF of 56, 62, 61, 826
• GCF of 17, 48, 66, 134
• GCF of 12, 19, 11, 882
• GCF of 82, 68, 74, 380

1. What is the GCF of 20, 71, 47, 134?

Answer: GCF of 20, 71, 47, 134 is 1.

2. How to Find the GCF of 20, 71, 47, 134

Answer: Greatest Common Factor(GCF) of 20, 71, 47, 134 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 71, 47, 134) = 1.