Greatest Common Factor of 620, 309, 197

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

• Greatest Common Factor of 620, 309, 197 by common division method
• Greatest Common Factor of 620, 309, 197 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 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

Factors of 309

List of positive integer factors of 309 that divides 309 without a remainder.

1,3,103,309

Factors of 197

List of positive integer factors of 197 that divides 197 without a remainder.

1,197

Greatest Common Factor

We found the factors 620,309,197 . The biggest common factor number is the GCF number.
So the greatest common factor 620,309,197 is 1.

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

• GCF of 454, 551, 265
• GCF of 357, 313, 765
• GCF of 756, 392, 643
• GCF of 361, 536, 420
• GCF of 627, 469, 139

1. What is the GCF of 620, 309, 197?

Answer: GCF of 620, 309, 197 is 1.

2. How to Find the GCF of 620, 309, 197

Answer: Greatest Common Factor(GCF) of 620, 309, 197 = 1

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

Step 2: Then multiply all the prime factors GCF(620, 309, 197) = 1.