Greatest Common Factor of 61, 20, 86, 82

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

• Greatest Common Factor of 61, 20, 86, 82 by common division method
• Greatest Common Factor of 61, 20, 86, 82 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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 20

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

1,2,4,5,10,20

Factors of 86

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

1,2,43,86

Factors of 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Greatest Common Factor

We found the factors 61,20,86,82 . The biggest common factor number is the GCF number.
So the greatest common factor 61,20,86,82 is 1.

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

• GCF of 68, 89, 82, 84
• GCF of 30, 50, 52, 62
• GCF of 74, 34, 11, 11
• GCF of 30, 13, 80, 58
• GCF of 17, 12, 90, 11

1. What is the GCF of 61, 20, 86, 82?

Answer: GCF of 61, 20, 86, 82 is 1.

2. How to Find the GCF of 61, 20, 86, 82

Answer: Greatest Common Factor(GCF) of 61, 20, 86, 82 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 20, 86, 82) = 1.