Greatest Common Factor of 20, 74, 271, 647

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

• Greatest Common Factor of 20, 74, 271, 647 by common division method
• Greatest Common Factor of 20, 74, 271, 647 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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 271

List of positive integer factors of 271 that divides 271 without a remainder.

1,271

Factors of 647

List of positive integer factors of 647 that divides 647 without a remainder.

1,647

Greatest Common Factor

We found the factors 20,74,271,647 . The biggest common factor number is the GCF number.
So the greatest common factor 20,74,271,647 is 1.

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

• GCF of 73, 53, 272, 413
• GCF of 74, 70, 917, 688
• GCF of 55, 30, 293, 617
• GCF of 84, 16, 619, 330
• GCF of 16, 75, 501, 775

1. What is the GCF of 20, 74, 271, 647?

Answer: GCF of 20, 74, 271, 647 is 1.

2. How to Find the GCF of 20, 74, 271, 647

Answer: Greatest Common Factor(GCF) of 20, 74, 271, 647 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 74, 271, 647) = 1.