Greatest Common Factor of 78, 76, 20, 128

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

• Greatest Common Factor of 78, 76, 20, 128 by common division method
• Greatest Common Factor of 78, 76, 20, 128 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 76

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

1,2,4,19,38,76

Factors of 20

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

1,2,4,5,10,20

Factors of 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Greatest Common Factor

We found the factors 78,76,20,128 . The biggest common factor number is the GCF number.
So the greatest common factor 78,76,20,128 is 2.

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

• GCF of 50, 48, 79, 933
• GCF of 65, 96, 84, 526
• GCF of 54, 68, 35, 340
• GCF of 85, 55, 59, 613
• GCF of 19, 94, 84, 443

1. What is the GCF of 78, 76, 20, 128?

Answer: GCF of 78, 76, 20, 128 is 2.

2. How to Find the GCF of 78, 76, 20, 128

Answer: Greatest Common Factor(GCF) of 78, 76, 20, 128 = 2

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

Step 2: Then multiply all the prime factors GCF(78, 76, 20, 128) = 2.