Greatest Common Factor of 42, 56, 78, 427

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

• Greatest Common Factor of 42, 56, 78, 427 by common division method
• Greatest Common Factor of 42, 56, 78, 427 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

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 427

List of positive integer factors of 427 that divides 427 without a remainder.

1,7,61,427

Greatest Common Factor

We found the factors 42,56,78,427 . The biggest common factor number is the GCF number.
So the greatest common factor 42,56,78,427 is 1.

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

• GCF of 22, 47, 44, 627
• GCF of 27, 25, 66, 155
• GCF of 21, 14, 22, 796
• GCF of 39, 66, 83, 465
• GCF of 93, 86, 46, 501

1. What is the GCF of 42, 56, 78, 427?

Answer: GCF of 42, 56, 78, 427 is 1.

2. How to Find the GCF of 42, 56, 78, 427

Answer: Greatest Common Factor(GCF) of 42, 56, 78, 427 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 56, 78, 427) = 1.