Greatest Common Factor of 42, 90, 32, 85

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

• Greatest Common Factor of 42, 90, 32, 85 by common division method
• Greatest Common Factor of 42, 90, 32, 85 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 32

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

1,2,4,8,16,32

Factors of 85

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

1,5,17,85

Greatest Common Factor

We found the factors 42,90,32,85 . The biggest common factor number is the GCF number.
So the greatest common factor 42,90,32,85 is 1.

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

• GCF of 80, 82, 61, 13
• GCF of 29, 68, 84, 20
• GCF of 82, 41, 25, 44
• GCF of 48, 53, 77, 43
• GCF of 22, 31, 48, 51

1. What is the GCF of 42, 90, 32, 85?

Answer: GCF of 42, 90, 32, 85 is 1.

2. How to Find the GCF of 42, 90, 32, 85

Answer: Greatest Common Factor(GCF) of 42, 90, 32, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 90, 32, 85) = 1.