Greatest Common Factor of 85, 79, 74, 42

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

• Greatest Common Factor of 85, 79, 74, 42 by common division method
• Greatest Common Factor of 85, 79, 74, 42 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 79

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

1,79

Factors of 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 85,79,74,42 . The biggest common factor number is the GCF number.
So the greatest common factor 85,79,74,42 is 1.

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

• GCF of 24, 56, 46, 72
• GCF of 76, 40, 15, 24
• GCF of 30, 87, 24, 76
• GCF of 44, 21, 78, 89
• GCF of 27, 21, 15, 40

1. What is the GCF of 85, 79, 74, 42?

Answer: GCF of 85, 79, 74, 42 is 1.

2. How to Find the GCF of 85, 79, 74, 42

Answer: Greatest Common Factor(GCF) of 85, 79, 74, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 79, 74, 42) = 1.