Greatest Common Factor of 42, 3, 97, 12

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

• Greatest Common Factor of 42, 3, 97, 12 by common division method
• Greatest Common Factor of 42, 3, 97, 12 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 3

List of positive integer factors of 3 that divides 3 without a remainder.

1,3

Factors of 97

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

1,97

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Greatest Common Factor

We found the factors 42,3,97,12 . The biggest common factor number is the GCF number.
So the greatest common factor 42,3,97,12 is 1.

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

• GCF of 38, 6, 56, 33
• GCF of 26, 3, 54, 52
• GCF of 85, 3, 73, 81
• GCF of 32, 3, 19, 49
• GCF of 19, 3, 91, 34

1. What is the GCF of 42, 3, 97, 12?

Answer: GCF of 42, 3, 97, 12 is 1.

2. How to Find the GCF of 42, 3, 97, 12

Answer: Greatest Common Factor(GCF) of 42, 3, 97, 12 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 3, 97, 12) = 1.