Greatest Common Factor of 11, 42, 27, 138

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

• Greatest Common Factor of 11, 42, 27, 138 by common division method
• Greatest Common Factor of 11, 42, 27, 138 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 11,42,27,138 . The biggest common factor number is the GCF number.
So the greatest common factor 11,42,27,138 is 1.

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

• GCF of 61, 98, 78, 375
• GCF of 58, 45, 15, 531
• GCF of 28, 45, 68, 477
• GCF of 92, 31, 62, 239
• GCF of 28, 75, 18, 306

1. What is the GCF of 11, 42, 27, 138?

Answer: GCF of 11, 42, 27, 138 is 1.

2. How to Find the GCF of 11, 42, 27, 138

Answer: Greatest Common Factor(GCF) of 11, 42, 27, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(11, 42, 27, 138) = 1.