Greatest Common Factor of 97, 20, 42, 542

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

• Greatest Common Factor of 97, 20, 42, 542 by common division method
• Greatest Common Factor of 97, 20, 42, 542 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 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

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 542

List of positive integer factors of 542 that divides 542 without a remainder.

1,2,271,542

Greatest Common Factor

We found the factors 97,20,42,542 . The biggest common factor number is the GCF number.
So the greatest common factor 97,20,42,542 is 1.

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

• GCF of 81, 62, 48, 790
• GCF of 80, 16, 15, 765
• GCF of 75, 60, 67, 348
• GCF of 11, 53, 86, 921
• GCF of 75, 63, 22, 572

1. What is the GCF of 97, 20, 42, 542?

Answer: GCF of 97, 20, 42, 542 is 1.

2. How to Find the GCF of 97, 20, 42, 542

Answer: Greatest Common Factor(GCF) of 97, 20, 42, 542 = 1

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

Step 2: Then multiply all the prime factors GCF(97, 20, 42, 542) = 1.