Greatest Common Factor of 42, 58, 20, 105

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

• Greatest Common Factor of 42, 58, 20, 105 by common division method
• Greatest Common Factor of 42, 58, 20, 105 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 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Greatest Common Factor

We found the factors 42,58,20,105 . The biggest common factor number is the GCF number.
So the greatest common factor 42,58,20,105 is 1.

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

• GCF of 83, 79, 10, 648
• GCF of 67, 29, 81, 187
• GCF of 96, 24, 38, 240
• GCF of 59, 28, 57, 497
• GCF of 92, 84, 32, 730

1. What is the GCF of 42, 58, 20, 105?

Answer: GCF of 42, 58, 20, 105 is 1.

2. How to Find the GCF of 42, 58, 20, 105

Answer: Greatest Common Factor(GCF) of 42, 58, 20, 105 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 58, 20, 105) = 1.