Greatest Common Factor of 42, 38, 60, 80

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

• Greatest Common Factor of 42, 38, 60, 80 by common division method
• Greatest Common Factor of 42, 38, 60, 80 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

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 38

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

1,2,19,38

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

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

Greatest Common Factor

We found the factors 42,38,60,80 . The biggest common factor number is the GCF number.
So the greatest common factor 42,38,60,80 is 2.

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

• GCF of 24, 82, 86, 10
• GCF of 44, 14, 11, 61
• GCF of 91, 57, 42, 48
• GCF of 62, 64, 76, 21
• GCF of 36, 38, 91, 58

1. What is the GCF of 42, 38, 60, 80?

Answer: GCF of 42, 38, 60, 80 is 2.

2. How to Find the GCF of 42, 38, 60, 80

Answer: Greatest Common Factor(GCF) of 42, 38, 60, 80 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 38, 60, 80) = 2.