Greatest Common Factor of 42, 48, 80, 71

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

• Greatest Common Factor of 42, 48, 80, 71 by common division method
• Greatest Common Factor of 42, 48, 80, 71 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 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 71

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

1,71

Greatest Common Factor

We found the factors 42,48,80,71 . The biggest common factor number is the GCF number.
So the greatest common factor 42,48,80,71 is 1.

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

• GCF of 19, 42, 94, 18
• GCF of 57, 85, 48, 90
• GCF of 34, 98, 50, 70
• GCF of 47, 79, 36, 32
• GCF of 15, 96, 91, 70

1. What is the GCF of 42, 48, 80, 71?

Answer: GCF of 42, 48, 80, 71 is 1.

2. How to Find the GCF of 42, 48, 80, 71

Answer: Greatest Common Factor(GCF) of 42, 48, 80, 71 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 48, 80, 71) = 1.