Greatest Common Factor of 20, 74, 64, 56

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

• Greatest Common Factor of 20, 74, 64, 56 by common division method
• Greatest Common Factor of 20, 74, 64, 56 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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Greatest Common Factor

We found the factors 20,74,64,56 . The biggest common factor number is the GCF number.
So the greatest common factor 20,74,64,56 is 2.

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

• GCF of 26, 10, 96, 43
• GCF of 78, 16, 37, 58
• GCF of 49, 13, 16, 90
• GCF of 78, 63, 46, 10
• GCF of 80, 18, 61, 76

1. What is the GCF of 20, 74, 64, 56?

Answer: GCF of 20, 74, 64, 56 is 2.

2. How to Find the GCF of 20, 74, 64, 56

Answer: Greatest Common Factor(GCF) of 20, 74, 64, 56 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 74, 64, 56) = 2.