Greatest Common Factor of 81, 70, 60, 22, 920

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

• Greatest Common Factor of 81, 70, 60, 22, 920 by common division method
• Greatest Common Factor of 81, 70, 60, 22, 920 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 920

List of positive integer factors of 920 that divides 920 without a remainder.

1,2,4,5,8,10,20,23,40,46,92,115,184,230,460,920

Greatest Common Factor

We found the factors 81,70,60,22,920 . The biggest common factor number is the GCF number.
So the greatest common factor 81,70,60,22,920 is 1.

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

• GCF of 47, 53, 34, 77, 737
• GCF of 96, 99, 70, 48, 161
• GCF of 13, 72, 48, 35, 146
• GCF of 11, 51, 64, 20, 995
• GCF of 39, 41, 65, 65, 526

1. What is the GCF of 81, 70, 60, 22, 920?

Answer: GCF of 81, 70, 60, 22, 920 is 1.

2. How to Find the GCF of 81, 70, 60, 22, 920

Answer: Greatest Common Factor(GCF) of 81, 70, 60, 22, 920 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 70, 60, 22, 920) = 1.