Greatest Common Factor of 42, 30, 539

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

• Greatest Common Factor of 42, 30, 539 by common division method
• Greatest Common Factor of 42, 30, 539 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 539

List of positive integer factors of 539 that divides 539 without a remainder.

1,7,11,49,77,539

Greatest Common Factor

We found the factors 42,30,539 . The biggest common factor number is the GCF number.
So the greatest common factor 42,30,539 is 1.

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

• GCF of 54, 13, 352
• GCF of 38, 80, 850
• GCF of 34, 73, 606
• GCF of 23, 54, 894
• GCF of 84, 56, 965

1. What is the GCF of 42, 30, 539?

Answer: GCF of 42, 30, 539 is 1.

2. How to Find the GCF of 42, 30, 539

Answer: Greatest Common Factor(GCF) of 42, 30, 539 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 30, 539) = 1.