Greatest Common Factor of 85, 74, 57, 81

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

• Greatest Common Factor of 85, 74, 57, 81 by common division method
• Greatest Common Factor of 85, 74, 57, 81 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 74

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

1,2,37,74

Factors of 57

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

1,3,19,57

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Greatest Common Factor

We found the factors 85,74,57,81 . The biggest common factor number is the GCF number.
So the greatest common factor 85,74,57,81 is 1.

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

• GCF of 92, 53, 22, 42
• GCF of 57, 73, 59, 39
• GCF of 69, 77, 22, 73
• GCF of 73, 24, 88, 78
• GCF of 80, 31, 78, 32

1. What is the GCF of 85, 74, 57, 81?

Answer: GCF of 85, 74, 57, 81 is 1.

2. How to Find the GCF of 85, 74, 57, 81

Answer: Greatest Common Factor(GCF) of 85, 74, 57, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 74, 57, 81) = 1.