Greatest Common Factor of 20, 42, 76

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

• Greatest Common Factor of 20, 42, 76 by common division method
• Greatest Common Factor of 20, 42, 76 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Greatest Common Factor

We found the factors 20,42,76 . The biggest common factor number is the GCF number.
So the greatest common factor 20,42,76 is 2.

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

• GCF of 87, 51, 88
• GCF of 17, 71, 87
• GCF of 80, 16, 34
• GCF of 62, 48, 78
• GCF of 33, 53, 31

1. What is the GCF of 20, 42, 76?

Answer: GCF of 20, 42, 76 is 2.

2. How to Find the GCF of 20, 42, 76

Answer: Greatest Common Factor(GCF) of 20, 42, 76 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 42, 76) = 2.