Greatest Common Factor of 11, 81, 15, 75, 11

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

• Greatest Common Factor of 11, 81, 15, 75, 11 by common division method
• Greatest Common Factor of 11, 81, 15, 75, 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 11

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

1,11

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

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 11,81,15,75,11 . The biggest common factor number is the GCF number.
So the greatest common factor 11,81,15,75,11 is 1.

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

• GCF of 80, 90, 19, 61, 30
• GCF of 42, 34, 64, 45, 35
• GCF of 80, 41, 15, 75, 12
• GCF of 43, 38, 10, 40, 54
• GCF of 94, 86, 17, 34, 36

1. What is the GCF of 11, 81, 15, 75, 11?

Answer: GCF of 11, 81, 15, 75, 11 is 1.

2. How to Find the GCF of 11, 81, 15, 75, 11

Answer: Greatest Common Factor(GCF) of 11, 81, 15, 75, 11 = 1

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

Step 2: Then multiply all the prime factors GCF(11, 81, 15, 75, 11) = 1.