Greatest Common Factor of 19, 50, 64, 20

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

• Greatest Common Factor of 19, 50, 64, 20 by common division method
• Greatest Common Factor of 19, 50, 64, 20 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

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

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 19,50,64,20 . The biggest common factor number is the GCF number.
So the greatest common factor 19,50,64,20 is 1.

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

• GCF of 26, 43, 81, 20
• GCF of 84, 80, 76, 38
• GCF of 67, 86, 32, 92
• GCF of 27, 78, 55, 17
• GCF of 68, 55, 63, 58

1. What is the GCF of 19, 50, 64, 20?

Answer: GCF of 19, 50, 64, 20 is 1.

2. How to Find the GCF of 19, 50, 64, 20

Answer: Greatest Common Factor(GCF) of 19, 50, 64, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 50, 64, 20) = 1.