Greatest Common Factor of 81, 1, 22, 11

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

• Greatest Common Factor of 81, 1, 22, 11 by common division method
• Greatest Common Factor of 81, 1, 22, 11 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 1

List of positive integer factors of 1 that divides 1 without a remainder.

1

Factors of 22

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

1,2,11,22

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Greatest Common Factor

We found the factors 81,1,22,11 . The biggest common factor number is the GCF number.
So the greatest common factor 81,1,22,11 is 1.

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

• GCF of 30, 8, 72, 71
• GCF of 34, 3, 49, 93
• GCF of 95, 6, 79, 71
• GCF of 27, 6, 42, 46
• GCF of 65, 3, 38, 53

1. What is the GCF of 81, 1, 22, 11?

Answer: GCF of 81, 1, 22, 11 is 1.

2. How to Find the GCF of 81, 1, 22, 11

Answer: Greatest Common Factor(GCF) of 81, 1, 22, 11 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 1, 22, 11) = 1.