Greatest Common Factor of 50, 70, 83, 20, 638

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

• Greatest Common Factor of 50, 70, 83, 20, 638 by common division method
• Greatest Common Factor of 50, 70, 83, 20, 638 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 50

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

1,2,5,10,25,50

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

Factors of 20

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

1,2,4,5,10,20

Factors of 638

List of positive integer factors of 638 that divides 638 without a remainder.

1,2,11,22,29,58,319,638

Greatest Common Factor

We found the factors 50,70,83,20,638 . The biggest common factor number is the GCF number.
So the greatest common factor 50,70,83,20,638 is 1.

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

• GCF of 91, 42, 96, 30, 781
• GCF of 12, 69, 81, 50, 432
• GCF of 78, 52, 31, 40, 555
• GCF of 58, 33, 28, 67, 736
• GCF of 49, 20, 50, 42, 692

1. What is the GCF of 50, 70, 83, 20, 638?

Answer: GCF of 50, 70, 83, 20, 638 is 1.

2. How to Find the GCF of 50, 70, 83, 20, 638

Answer: Greatest Common Factor(GCF) of 50, 70, 83, 20, 638 = 1

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

Step 2: Then multiply all the prime factors GCF(50, 70, 83, 20, 638) = 1.