Greatest Common Factor of 42, 13, 56, 239

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

• Greatest Common Factor of 42, 13, 56, 239 by common division method
• Greatest Common Factor of 42, 13, 56, 239 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

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 239

List of positive integer factors of 239 that divides 239 without a remainder.

1,239

Greatest Common Factor

We found the factors 42,13,56,239 . The biggest common factor number is the GCF number.
So the greatest common factor 42,13,56,239 is 1.

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

• GCF of 47, 12, 72, 349
• GCF of 58, 57, 26, 177
• GCF of 46, 76, 35, 298
• GCF of 97, 95, 66, 604
• GCF of 88, 94, 22, 838

1. What is the GCF of 42, 13, 56, 239?

Answer: GCF of 42, 13, 56, 239 is 1.

2. How to Find the GCF of 42, 13, 56, 239

Answer: Greatest Common Factor(GCF) of 42, 13, 56, 239 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 13, 56, 239) = 1.