Greatest Common Factor of 78, 42, 74, 428

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

• Greatest Common Factor of 78, 42, 74, 428 by common division method
• Greatest Common Factor of 78, 42, 74, 428 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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Greatest Common Factor

We found the factors 78,42,74,428 . The biggest common factor number is the GCF number.
So the greatest common factor 78,42,74,428 is 2.

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

• GCF of 55, 24, 71, 476
• GCF of 11, 71, 86, 839
• GCF of 38, 76, 48, 250
• GCF of 55, 72, 82, 226
• GCF of 72, 24, 82, 715

1. What is the GCF of 78, 42, 74, 428?

Answer: GCF of 78, 42, 74, 428 is 2.

2. How to Find the GCF of 78, 42, 74, 428

Answer: Greatest Common Factor(GCF) of 78, 42, 74, 428 = 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, 74, 428) = 2.