Greatest Common Factor of 20, 28, 80, 94

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

• Greatest Common Factor of 20, 28, 80, 94 by common division method
• Greatest Common Factor of 20, 28, 80, 94 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 20

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

1,2,4,5,10,20

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 94

List of positive integer factors of 94 that divides 94 without a remainder.

1,2,47,94

Greatest Common Factor

We found the factors 20,28,80,94 . The biggest common factor number is the GCF number.
So the greatest common factor 20,28,80,94 is 2.

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

• GCF of 38, 88, 29, 80
• GCF of 84, 46, 69, 97
• GCF of 30, 25, 72, 18
• GCF of 21, 46, 83, 63
• GCF of 53, 19, 19, 72

1. What is the GCF of 20, 28, 80, 94?

Answer: GCF of 20, 28, 80, 94 is 2.

2. How to Find the GCF of 20, 28, 80, 94

Answer: Greatest Common Factor(GCF) of 20, 28, 80, 94 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 28, 80, 94) = 2.