Greatest Common Factor of 42, 81, 85, 8, 32

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

• Greatest Common Factor of 42, 81, 85, 8, 32 by common division method
• Greatest Common Factor of 42, 81, 85, 8, 32 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 81

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

1,3,9,27,81

Factors of 85

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

1,5,17,85

Factors of 8

List of positive integer factors of 8 that divides 8 without a remainder.

1,2,4,8

Factors of 32

List of positive integer factors of 32 that divides 32 without a remainder.

1,2,4,8,16,32

Greatest Common Factor

We found the factors 42,81,85,8,32 . The biggest common factor number is the GCF number.
So the greatest common factor 42,81,85,8,32 is 1.

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

• GCF of 83, 85, 33, 7, 59
• GCF of 44, 39, 10, 1, 11
• GCF of 31, 72, 16, 8, 73
• GCF of 53, 24, 46, 9, 48
• GCF of 50, 68, 80, 6, 87

1. What is the GCF of 42, 81, 85, 8, 32?

Answer: GCF of 42, 81, 85, 8, 32 is 1.

2. How to Find the GCF of 42, 81, 85, 8, 32

Answer: Greatest Common Factor(GCF) of 42, 81, 85, 8, 32 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 81, 85, 8, 32) = 1.