Greatest Common Factor of 85, 99, 20, 121

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

• Greatest Common Factor of 85, 99, 20, 121 by common division method
• Greatest Common Factor of 85, 99, 20, 121 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 99

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

1,3,9,11,33,99

Factors of 20

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

1,2,4,5,10,20

Factors of 121

List of positive integer factors of 121 that divides 121 without a remainder.

1,11,121

Greatest Common Factor

We found the factors 85,99,20,121 . The biggest common factor number is the GCF number.
So the greatest common factor 85,99,20,121 is 1.

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

• GCF of 50, 96, 12, 195
• GCF of 18, 56, 65, 133
• GCF of 16, 58, 13, 965
• GCF of 36, 33, 65, 480
• GCF of 56, 86, 73, 579

1. What is the GCF of 85, 99, 20, 121?

Answer: GCF of 85, 99, 20, 121 is 1.

2. How to Find the GCF of 85, 99, 20, 121

Answer: Greatest Common Factor(GCF) of 85, 99, 20, 121 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 99, 20, 121) = 1.