Greatest Common Factor of 42, 57, 97, 17

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

• Greatest Common Factor of 42, 57, 97, 17 by common division method
• Greatest Common Factor of 42, 57, 97, 17 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 57

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

1,3,19,57

Factors of 97

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

1,97

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Greatest Common Factor

We found the factors 42,57,97,17 . The biggest common factor number is the GCF number.
So the greatest common factor 42,57,97,17 is 1.

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

• GCF of 80, 62, 38, 99
• GCF of 69, 55, 74, 88
• GCF of 78, 80, 63, 55
• GCF of 22, 28, 29, 83
• GCF of 69, 61, 82, 87

1. What is the GCF of 42, 57, 97, 17?

Answer: GCF of 42, 57, 97, 17 is 1.

2. How to Find the GCF of 42, 57, 97, 17

Answer: Greatest Common Factor(GCF) of 42, 57, 97, 17 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 57, 97, 17) = 1.