Greatest Common Factor of 42, 41, 66, 39

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

• Greatest Common Factor of 42, 41, 66, 39 by common division method
• Greatest Common Factor of 42, 41, 66, 39 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 42

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

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

Factors of 41

List of positive integer factors of 41 that divides 41 without a remainder.

1,41

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Greatest Common Factor

We found the factors 42,41,66,39 . The biggest common factor number is the GCF number.
So the greatest common factor 42,41,66,39 is 1.

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

• GCF of 30, 78, 47, 68
• GCF of 31, 42, 55, 44
• GCF of 63, 37, 34, 59
• GCF of 75, 82, 11, 33
• GCF of 49, 28, 35, 73

1. What is the GCF of 42, 41, 66, 39?

Answer: GCF of 42, 41, 66, 39 is 1.

2. How to Find the GCF of 42, 41, 66, 39

Answer: Greatest Common Factor(GCF) of 42, 41, 66, 39 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 41, 66, 39) = 1.