Greatest Common Factor of 42, 32, 45, 905

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

• Greatest Common Factor of 42, 32, 45, 905 by common division method
• Greatest Common Factor of 42, 32, 45, 905 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 32

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

1,2,4,8,16,32

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 905

List of positive integer factors of 905 that divides 905 without a remainder.

1,5,181,905

Greatest Common Factor

We found the factors 42,32,45,905 . The biggest common factor number is the GCF number.
So the greatest common factor 42,32,45,905 is 1.

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

• GCF of 89, 32, 78, 538
• GCF of 66, 74, 28, 175
• GCF of 14, 97, 44, 153
• GCF of 76, 68, 39, 476
• GCF of 14, 85, 26, 584

1. What is the GCF of 42, 32, 45, 905?

Answer: GCF of 42, 32, 45, 905 is 1.

2. How to Find the GCF of 42, 32, 45, 905

Answer: Greatest Common Factor(GCF) of 42, 32, 45, 905 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 32, 45, 905) = 1.