Greatest Common Factor of 42, 20, 174

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

• Greatest Common Factor of 42, 20, 174 by common division method
• Greatest Common Factor of 42, 20, 174 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 20

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

1,2,4,5,10,20

Factors of 174

List of positive integer factors of 174 that divides 174 without a remainder.

1,2,3,6,29,58,87,174

Greatest Common Factor

We found the factors 42,20,174 . The biggest common factor number is the GCF number.
So the greatest common factor 42,20,174 is 2.

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

• GCF of 25, 53, 442
• GCF of 96, 19, 391
• GCF of 97, 93, 904
• GCF of 88, 46, 192
• GCF of 53, 14, 661

1. What is the GCF of 42, 20, 174?

Answer: GCF of 42, 20, 174 is 2.

2. How to Find the GCF of 42, 20, 174

Answer: Greatest Common Factor(GCF) of 42, 20, 174 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 20, 174) = 2.