Greatest Common Factor of 55, 39, 97, 620

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

• Greatest Common Factor of 55, 39, 97, 620 by common division method
• Greatest Common Factor of 55, 39, 97, 620 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 97

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

1,97

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Greatest Common Factor

We found the factors 55,39,97,620 . The biggest common factor number is the GCF number.
So the greatest common factor 55,39,97,620 is 1.

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

• GCF of 88, 48, 18, 473
• GCF of 58, 10, 46, 864
• GCF of 97, 85, 10, 335
• GCF of 81, 66, 77, 822
• GCF of 39, 63, 81, 945

1. What is the GCF of 55, 39, 97, 620?

Answer: GCF of 55, 39, 97, 620 is 1.

2. How to Find the GCF of 55, 39, 97, 620

Answer: Greatest Common Factor(GCF) of 55, 39, 97, 620 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 39, 97, 620) = 1.