Greatest Common Factor of 81, 31, 58, 139

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

• Greatest Common Factor of 81, 31, 58, 139 by common division method
• Greatest Common Factor of 81, 31, 58, 139 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 31

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

1,31

Factors of 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

Factors of 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Greatest Common Factor

We found the factors 81,31,58,139 . The biggest common factor number is the GCF number.
So the greatest common factor 81,31,58,139 is 1.

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

• GCF of 11, 20, 41, 374
• GCF of 80, 42, 84, 650
• GCF of 97, 30, 32, 321
• GCF of 55, 84, 77, 399
• GCF of 33, 18, 38, 711

1. What is the GCF of 81, 31, 58, 139?

Answer: GCF of 81, 31, 58, 139 is 1.

2. How to Find the GCF of 81, 31, 58, 139

Answer: Greatest Common Factor(GCF) of 81, 31, 58, 139 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 31, 58, 139) = 1.