Greatest Common Factor of 82, 61, 81, 172

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

• Greatest Common Factor of 82, 61, 81, 172 by common division method
• Greatest Common Factor of 82, 61, 81, 172 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 82

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

1,2,41,82

Factors of 61

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

1,61

Factors of 81

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

1,3,9,27,81

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Greatest Common Factor

We found the factors 82,61,81,172 . The biggest common factor number is the GCF number.
So the greatest common factor 82,61,81,172 is 1.

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

• GCF of 80, 75, 16, 566
• GCF of 82, 17, 81, 673
• GCF of 83, 24, 24, 132
• GCF of 36, 82, 89, 383
• GCF of 86, 87, 77, 927

1. What is the GCF of 82, 61, 81, 172?

Answer: GCF of 82, 61, 81, 172 is 1.

2. How to Find the GCF of 82, 61, 81, 172

Answer: Greatest Common Factor(GCF) of 82, 61, 81, 172 = 1

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

Step 2: Then multiply all the prime factors GCF(82, 61, 81, 172) = 1.