Greatest Common Factor of 91, 73, 18, 35, 20

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

• Greatest Common Factor of 91, 73, 18, 35, 20 by common division method
• Greatest Common Factor of 91, 73, 18, 35, 20 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 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 91,73,18,35,20 . The biggest common factor number is the GCF number.
So the greatest common factor 91,73,18,35,20 is 1.

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

• GCF of 93, 50, 90, 27, 44
• GCF of 79, 44, 14, 64, 14
• GCF of 42, 13, 20, 70, 87
• GCF of 67, 62, 36, 31, 58
• GCF of 73, 68, 54, 36, 34

1. What is the GCF of 91, 73, 18, 35, 20?

Answer: GCF of 91, 73, 18, 35, 20 is 1.

2. How to Find the GCF of 91, 73, 18, 35, 20

Answer: Greatest Common Factor(GCF) of 91, 73, 18, 35, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 73, 18, 35, 20) = 1.