Greatest Common Factor of 91, 89, 20, 864

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

• Greatest Common Factor of 91, 89, 20, 864 by common division method
• Greatest Common Factor of 91, 89, 20, 864 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 20

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

1,2,4,5,10,20

Factors of 864

List of positive integer factors of 864 that divides 864 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,27,32,36,48,54,72,96,108,144,216,288,432,864

Greatest Common Factor

We found the factors 91,89,20,864 . The biggest common factor number is the GCF number.
So the greatest common factor 91,89,20,864 is 1.

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

• GCF of 47, 12, 92, 359
• GCF of 98, 82, 38, 692
• GCF of 88, 33, 96, 161
• GCF of 58, 75, 18, 871
• GCF of 38, 63, 47, 720

1. What is the GCF of 91, 89, 20, 864?

Answer: GCF of 91, 89, 20, 864 is 1.

2. How to Find the GCF of 91, 89, 20, 864

Answer: Greatest Common Factor(GCF) of 91, 89, 20, 864 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 89, 20, 864) = 1.