Greatest Common Factor of 20, 31, 50, 64

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

• Greatest Common Factor of 20, 31, 50, 64 by common division method
• Greatest Common Factor of 20, 31, 50, 64 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 64

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

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

Greatest Common Factor

We found the factors 20,31,50,64 . The biggest common factor number is the GCF number.
So the greatest common factor 20,31,50,64 is 1.

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

• GCF of 34, 81, 60, 55
• GCF of 46, 40, 57, 82
• GCF of 16, 45, 38, 10
• GCF of 20, 71, 70, 86
• GCF of 53, 27, 17, 50

1. What is the GCF of 20, 31, 50, 64?

Answer: GCF of 20, 31, 50, 64 is 1.

2. How to Find the GCF of 20, 31, 50, 64

Answer: Greatest Common Factor(GCF) of 20, 31, 50, 64 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 31, 50, 64) = 1.