Greatest Common Factor of 78, 42, 12, 196

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

• Greatest Common Factor of 78, 42, 12, 196 by common division method
• Greatest Common Factor of 78, 42, 12, 196 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 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 196

List of positive integer factors of 196 that divides 196 without a remainder.

1,2,4,7,14,28,49,98,196

Greatest Common Factor

We found the factors 78,42,12,196 . The biggest common factor number is the GCF number.
So the greatest common factor 78,42,12,196 is 2.

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

• GCF of 72, 25, 20, 288
• GCF of 71, 67, 85, 377
• GCF of 79, 31, 76, 107
• GCF of 64, 57, 20, 430
• GCF of 77, 10, 49, 958

1. What is the GCF of 78, 42, 12, 196?

Answer: GCF of 78, 42, 12, 196 is 2.

2. How to Find the GCF of 78, 42, 12, 196

Answer: Greatest Common Factor(GCF) of 78, 42, 12, 196 = 2

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

Step 2: Then multiply all the prime factors GCF(78, 42, 12, 196) = 2.