Greatest Common Factor of 12, 38, 71, 165

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

• Greatest Common Factor of 12, 38, 71, 165 by common division method
• Greatest Common Factor of 12, 38, 71, 165 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 165

List of positive integer factors of 165 that divides 165 without a remainder.

1,3,5,11,15,33,55,165

Greatest Common Factor

We found the factors 12,38,71,165 . The biggest common factor number is the GCF number.
So the greatest common factor 12,38,71,165 is 1.

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

• GCF of 12, 97, 50, 399
• GCF of 22, 22, 83, 823
• GCF of 47, 62, 59, 978
• GCF of 88, 46, 91, 203
• GCF of 93, 27, 48, 265

1. What is the GCF of 12, 38, 71, 165?

Answer: GCF of 12, 38, 71, 165 is 1.

2. How to Find the GCF of 12, 38, 71, 165

Answer: Greatest Common Factor(GCF) of 12, 38, 71, 165 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 38, 71, 165) = 1.