Greatest Common Factor of 42, 57, 197

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

• Greatest Common Factor of 42, 57, 197 by common division method
• Greatest Common Factor of 42, 57, 197 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 197

List of positive integer factors of 197 that divides 197 without a remainder.

1,197

Greatest Common Factor

We found the factors 42,57,197 . The biggest common factor number is the GCF number.
So the greatest common factor 42,57,197 is 1.

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

• GCF of 14, 64, 166
• GCF of 76, 26, 796
• GCF of 11, 30, 894
• GCF of 40, 41, 664
• GCF of 71, 62, 928

1. What is the GCF of 42, 57, 197?

Answer: GCF of 42, 57, 197 is 1.

2. How to Find the GCF of 42, 57, 197

Answer: Greatest Common Factor(GCF) of 42, 57, 197 = 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, 197) = 1.