Greatest Common Factor of 83, 47, 70, 138

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

• Greatest Common Factor of 83, 47, 70, 138 by common division method
• Greatest Common Factor of 83, 47, 70, 138 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 83

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

1,83

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

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 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 83,47,70,138 . The biggest common factor number is the GCF number.
So the greatest common factor 83,47,70,138 is 1.

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

• GCF of 18, 67, 53, 317
• GCF of 80, 79, 54, 744
• GCF of 89, 16, 83, 898
• GCF of 59, 73, 30, 785
• GCF of 33, 95, 29, 191

1. What is the GCF of 83, 47, 70, 138?

Answer: GCF of 83, 47, 70, 138 is 1.

2. How to Find the GCF of 83, 47, 70, 138

Answer: Greatest Common Factor(GCF) of 83, 47, 70, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(83, 47, 70, 138) = 1.