Greatest Common Factor of 20, 12, 97, 671

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

• Greatest Common Factor of 20, 12, 97, 671 by common division method
• Greatest Common Factor of 20, 12, 97, 671 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 671

List of positive integer factors of 671 that divides 671 without a remainder.

1,11,61,671

Greatest Common Factor

We found the factors 20,12,97,671 . The biggest common factor number is the GCF number.
So the greatest common factor 20,12,97,671 is 1.

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

• GCF of 90, 41, 95, 305
• GCF of 45, 93, 33, 752
• GCF of 21, 57, 81, 253
• GCF of 50, 48, 98, 921
• GCF of 31, 95, 23, 336

1. What is the GCF of 20, 12, 97, 671?

Answer: GCF of 20, 12, 97, 671 is 1.

2. How to Find the GCF of 20, 12, 97, 671

Answer: Greatest Common Factor(GCF) of 20, 12, 97, 671 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 12, 97, 671) = 1.