Greatest Common Factor of 42, 40, 865

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

• Greatest Common Factor of 42, 40, 865 by common division method
• Greatest Common Factor of 42, 40, 865 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 865

List of positive integer factors of 865 that divides 865 without a remainder.

1,5,173,865

Greatest Common Factor

We found the factors 42,40,865 . The biggest common factor number is the GCF number.
So the greatest common factor 42,40,865 is 1.

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

• GCF of 39, 57, 602
• GCF of 80, 90, 759
• GCF of 89, 80, 702
• GCF of 95, 16, 759
• GCF of 65, 46, 617

1. What is the GCF of 42, 40, 865?

Answer: GCF of 42, 40, 865 is 1.

2. How to Find the GCF of 42, 40, 865

Answer: Greatest Common Factor(GCF) of 42, 40, 865 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 40, 865) = 1.