Greatest Common Factor of 81, 84, 139

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

• Greatest Common Factor of 81, 84, 139 by common division method
• Greatest Common Factor of 81, 84, 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

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 81,84,139 . The biggest common factor number is the GCF number.
So the greatest common factor 81,84,139 is 1.

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

• GCF of 75, 99, 847
• GCF of 67, 26, 353
• GCF of 64, 16, 826
• GCF of 31, 36, 991
• GCF of 10, 15, 384

1. What is the GCF of 81, 84, 139?

Answer: GCF of 81, 84, 139 is 1.

2. How to Find the GCF of 81, 84, 139

Answer: Greatest Common Factor(GCF) of 81, 84, 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, 84, 139) = 1.