Greatest Common Factor of 20, 82, 42, 378

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

• Greatest Common Factor of 20, 82, 42, 378 by common division method
• Greatest Common Factor of 20, 82, 42, 378 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 20

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

1,2,4,5,10,20

Factors of 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

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 378

List of positive integer factors of 378 that divides 378 without a remainder.

1,2,3,6,7,9,14,18,21,27,42,54,63,126,189,378

Greatest Common Factor

We found the factors 20,82,42,378 . The biggest common factor number is the GCF number.
So the greatest common factor 20,82,42,378 is 2.

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

• GCF of 30, 28, 86, 816
• GCF of 64, 49, 30, 325
• GCF of 82, 97, 55, 310
• GCF of 50, 34, 18, 517
• GCF of 96, 46, 20, 391

1. What is the GCF of 20, 82, 42, 378?

Answer: GCF of 20, 82, 42, 378 is 2.

2. How to Find the GCF of 20, 82, 42, 378

Answer: Greatest Common Factor(GCF) of 20, 82, 42, 378 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 82, 42, 378) = 2.