Greatest Common Factor of 42, 27, 57, 430

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

• Greatest Common Factor of 42, 27, 57, 430 by common division method
• Greatest Common Factor of 42, 27, 57, 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

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 42,27,57,430 . The biggest common factor number is the GCF number.
So the greatest common factor 42,27,57,430 is 1.

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

• GCF of 98, 91, 86, 301
• GCF of 15, 95, 57, 759
• GCF of 71, 77, 76, 499
• GCF of 75, 42, 65, 465
• GCF of 51, 17, 56, 907

1. What is the GCF of 42, 27, 57, 430?

Answer: GCF of 42, 27, 57, 430 is 1.

2. How to Find the GCF of 42, 27, 57, 430

Answer: Greatest Common Factor(GCF) of 42, 27, 57, 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, 27, 57, 430) = 1.