Greatest Common Factor of 620, 345, 638

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

• Greatest Common Factor of 620, 345, 638 by common division method
• Greatest Common Factor of 620, 345, 638 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 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Factors of 638

List of positive integer factors of 638 that divides 638 without a remainder.

1,2,11,22,29,58,319,638

Greatest Common Factor

We found the factors 620,345,638 . The biggest common factor number is the GCF number.
So the greatest common factor 620,345,638 is 1.

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

• GCF of 599, 899, 827
• GCF of 421, 645, 781
• GCF of 690, 252, 298
• GCF of 337, 986, 528
• GCF of 430, 228, 149

1. What is the GCF of 620, 345, 638?

Answer: GCF of 620, 345, 638 is 1.

2. How to Find the GCF of 620, 345, 638

Answer: Greatest Common Factor(GCF) of 620, 345, 638 = 1

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

Step 2: Then multiply all the prime factors GCF(620, 345, 638) = 1.