Greatest Common Factor of 285, 71, 47

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

• Greatest Common Factor of 285, 71, 47 by common division method
• Greatest Common Factor of 285, 71, 47 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 285

List of positive integer factors of 285 that divides 285 without a remainder.

1,3,5,15,19,57,95,285

Factors of 71

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

1,71

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Greatest Common Factor

We found the factors 285,71,47 . The biggest common factor number is the GCF number.
So the greatest common factor 285,71,47 is 1.

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

• GCF of 872, 29, 78
• GCF of 153, 54, 15
• GCF of 475, 52, 95
• GCF of 213, 40, 69
• GCF of 456, 39, 67

1. What is the GCF of 285, 71, 47?

Answer: GCF of 285, 71, 47 is 1.

2. How to Find the GCF of 285, 71, 47

Answer: Greatest Common Factor(GCF) of 285, 71, 47 = 1

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

Step 2: Then multiply all the prime factors GCF(285, 71, 47) = 1.