Greatest Common Factor of 84, 47, 31, 285

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

• Greatest Common Factor of 84, 47, 31, 285 by common division method
• Greatest Common Factor of 84, 47, 31, 285 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 47

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

1,47

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 285

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

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

Greatest Common Factor

We found the factors 84,47,31,285 . The biggest common factor number is the GCF number.
So the greatest common factor 84,47,31,285 is 1.

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

• GCF of 69, 83, 17, 500
• GCF of 87, 19, 22, 410
• GCF of 43, 22, 13, 641
• GCF of 56, 40, 54, 594
• GCF of 88, 81, 45, 159

1. What is the GCF of 84, 47, 31, 285?

Answer: GCF of 84, 47, 31, 285 is 1.

2. How to Find the GCF of 84, 47, 31, 285

Answer: Greatest Common Factor(GCF) of 84, 47, 31, 285 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 47, 31, 285) = 1.