Greatest Common Factor of 20, 71, 321, 847

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

• Greatest Common Factor of 20, 71, 321, 847 by common division method
• Greatest Common Factor of 20, 71, 321, 847 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 71

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

1,71

Factors of 321

List of positive integer factors of 321 that divides 321 without a remainder.

1,3,107,321

Factors of 847

List of positive integer factors of 847 that divides 847 without a remainder.

1,7,11,77,121,847

Greatest Common Factor

We found the factors 20,71,321,847 . The biggest common factor number is the GCF number.
So the greatest common factor 20,71,321,847 is 1.

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

• GCF of 54, 59, 261, 235
• GCF of 92, 45, 743, 385
• GCF of 83, 23, 920, 288
• GCF of 52, 58, 449, 237
• GCF of 34, 59, 796, 196

1. What is the GCF of 20, 71, 321, 847?

Answer: GCF of 20, 71, 321, 847 is 1.

2. How to Find the GCF of 20, 71, 321, 847

Answer: Greatest Common Factor(GCF) of 20, 71, 321, 847 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 71, 321, 847) = 1.