Greatest Common Factor of 42, 79, 97, 225

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

• Greatest Common Factor of 42, 79, 97, 225 by common division method
• Greatest Common Factor of 42, 79, 97, 225 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 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 97

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

1,97

Factors of 225

List of positive integer factors of 225 that divides 225 without a remainder.

1,3,5,9,15,25,45,75,225

Greatest Common Factor

We found the factors 42,79,97,225 . The biggest common factor number is the GCF number.
So the greatest common factor 42,79,97,225 is 1.

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

• GCF of 85, 13, 19, 505
• GCF of 51, 63, 71, 778
• GCF of 83, 62, 75, 321
• GCF of 31, 89, 36, 140
• GCF of 24, 14, 26, 143

1. What is the GCF of 42, 79, 97, 225?

Answer: GCF of 42, 79, 97, 225 is 1.

2. How to Find the GCF of 42, 79, 97, 225

Answer: Greatest Common Factor(GCF) of 42, 79, 97, 225 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 79, 97, 225) = 1.