Greatest Common Factor of 77, 80, 86, 62, 20

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

• Greatest Common Factor of 77, 80, 86, 62, 20 by common division method
• Greatest Common Factor of 77, 80, 86, 62, 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 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 62

List of positive integer factors of 62 that divides 62 without a remainder.

1,2,31,62

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 77,80,86,62,20 . The biggest common factor number is the GCF number.
So the greatest common factor 77,80,86,62,20 is 1.

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

• GCF of 96, 69, 21, 10, 79
• GCF of 12, 75, 43, 52, 35
• GCF of 77, 86, 23, 10, 10
• GCF of 98, 89, 96, 98, 93
• GCF of 76, 75, 75, 21, 46

1. What is the GCF of 77, 80, 86, 62, 20?

Answer: GCF of 77, 80, 86, 62, 20 is 1.

2. How to Find the GCF of 77, 80, 86, 62, 20

Answer: Greatest Common Factor(GCF) of 77, 80, 86, 62, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 80, 86, 62, 20) = 1.