Greatest Common Factor of 31, 39, 61, 86

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

• Greatest Common Factor of 31, 39, 61, 86 by common division method
• Greatest Common Factor of 31, 39, 61, 86 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 61

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

1,61

Factors of 86

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

1,2,43,86

Greatest Common Factor

We found the factors 31,39,61,86 . The biggest common factor number is the GCF number.
So the greatest common factor 31,39,61,86 is 1.

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

• GCF of 78, 34, 42, 62
• GCF of 43, 71, 47, 68
• GCF of 16, 54, 46, 74
• GCF of 48, 19, 81, 76
• GCF of 24, 67, 29, 71

1. What is the GCF of 31, 39, 61, 86?

Answer: GCF of 31, 39, 61, 86 is 1.

2. How to Find the GCF of 31, 39, 61, 86

Answer: Greatest Common Factor(GCF) of 31, 39, 61, 86 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 39, 61, 86) = 1.