Greatest Common Factor of 42, 12, 20, 868

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

• Greatest Common Factor of 42, 12, 20, 868 by common division method
• Greatest Common Factor of 42, 12, 20, 868 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 42

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

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

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 20

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

1,2,4,5,10,20

Factors of 868

List of positive integer factors of 868 that divides 868 without a remainder.

1,2,4,7,14,28,31,62,124,217,434,868

Greatest Common Factor

We found the factors 42,12,20,868 . The biggest common factor number is the GCF number.
So the greatest common factor 42,12,20,868 is 2.

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

• GCF of 68, 16, 69, 144
• GCF of 75, 97, 55, 414
• GCF of 92, 22, 89, 270
• GCF of 29, 28, 17, 153
• GCF of 91, 53, 25, 975

1. What is the GCF of 42, 12, 20, 868?

Answer: GCF of 42, 12, 20, 868 is 2.

2. How to Find the GCF of 42, 12, 20, 868

Answer: Greatest Common Factor(GCF) of 42, 12, 20, 868 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 12, 20, 868) = 2.