Greatest Common Factor of 83, 79, 69, 78, 42

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

• Greatest Common Factor of 83, 79, 69, 78, 42 by common division method
• Greatest Common Factor of 83, 79, 69, 78, 42 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 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 83,79,69,78,42 . The biggest common factor number is the GCF number.
So the greatest common factor 83,79,69,78,42 is 1.

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

• GCF of 51, 17, 75, 69, 55
• GCF of 84, 55, 13, 99, 74
• GCF of 67, 41, 13, 89, 21
• GCF of 16, 56, 32, 30, 38
• GCF of 79, 71, 98, 30, 10

1. What is the GCF of 83, 79, 69, 78, 42?

Answer: GCF of 83, 79, 69, 78, 42 is 1.

2. How to Find the GCF of 83, 79, 69, 78, 42

Answer: Greatest Common Factor(GCF) of 83, 79, 69, 78, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(83, 79, 69, 78, 42) = 1.