Greatest Common Factor of 93, 81, 20, 686

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

• Greatest Common Factor of 93, 81, 20, 686 by common division method
• Greatest Common Factor of 93, 81, 20, 686 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 93

List of positive integer factors of 93 that divides 93 without a remainder.

1,3,31,93

Factors of 81

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

1,3,9,27,81

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 686

List of positive integer factors of 686 that divides 686 without a remainder.

1,2,7,14,49,98,343,686

Greatest Common Factor

We found the factors 93,81,20,686 . The biggest common factor number is the GCF number.
So the greatest common factor 93,81,20,686 is 1.

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

• GCF of 74, 54, 46, 231
• GCF of 98, 70, 91, 167
• GCF of 31, 12, 66, 150
• GCF of 74, 81, 17, 236
• GCF of 36, 96, 97, 696

1. What is the GCF of 93, 81, 20, 686?

Answer: GCF of 93, 81, 20, 686 is 1.

2. How to Find the GCF of 93, 81, 20, 686

Answer: Greatest Common Factor(GCF) of 93, 81, 20, 686 = 1

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

Step 2: Then multiply all the prime factors GCF(93, 81, 20, 686) = 1.