Greatest Common Factor of 42, 79, 39, 430

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

• Greatest Common Factor of 42, 79, 39, 430 by common division method
• Greatest Common Factor of 42, 79, 39, 430 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 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 430

List of positive integer factors of 430 that divides 430 without a remainder.

1,2,5,10,43,86,215,430

Greatest Common Factor

We found the factors 42,79,39,430 . The biggest common factor number is the GCF number.
So the greatest common factor 42,79,39,430 is 1.

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

• GCF of 66, 29, 97, 742
• GCF of 38, 65, 80, 122
• GCF of 87, 25, 40, 430
• GCF of 35, 41, 68, 258
• GCF of 40, 47, 65, 582

1. What is the GCF of 42, 79, 39, 430?

Answer: GCF of 42, 79, 39, 430 is 1.

2. How to Find the GCF of 42, 79, 39, 430

Answer: Greatest Common Factor(GCF) of 42, 79, 39, 430 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 79, 39, 430) = 1.