Greatest Common Factor of 81, 82, 99, 684

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

• Greatest Common Factor of 81, 82, 99, 684 by common division method
• Greatest Common Factor of 81, 82, 99, 684 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 82

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

1,2,41,82

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 684

List of positive integer factors of 684 that divides 684 without a remainder.

1,2,3,4,6,9,12,18,19,36,38,57,76,114,171,228,342,684

Greatest Common Factor

We found the factors 81,82,99,684 . The biggest common factor number is the GCF number.
So the greatest common factor 81,82,99,684 is 1.

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

• GCF of 53, 96, 39, 765
• GCF of 68, 30, 23, 369
• GCF of 87, 15, 46, 424
• GCF of 87, 90, 71, 693
• GCF of 15, 41, 86, 253

1. What is the GCF of 81, 82, 99, 684?

Answer: GCF of 81, 82, 99, 684 is 1.

2. How to Find the GCF of 81, 82, 99, 684

Answer: Greatest Common Factor(GCF) of 81, 82, 99, 684 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 82, 99, 684) = 1.