Greatest Common Factor of 71, 42, 155

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

• Greatest Common Factor of 71, 42, 155 by common division method
• Greatest Common Factor of 71, 42, 155 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Greatest Common Factor

We found the factors 71,42,155 . The biggest common factor number is the GCF number.
So the greatest common factor 71,42,155 is 1.

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

• GCF of 85, 87, 346
• GCF of 50, 85, 300
• GCF of 51, 69, 984
• GCF of 95, 34, 760
• GCF of 69, 25, 702

1. What is the GCF of 71, 42, 155?

Answer: GCF of 71, 42, 155 is 1.

2. How to Find the GCF of 71, 42, 155

Answer: Greatest Common Factor(GCF) of 71, 42, 155 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 42, 155) = 1.