Greatest Common Factor of 643, 820, 130

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

• Greatest Common Factor of 643, 820, 130 by common division method
• Greatest Common Factor of 643, 820, 130 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 643

List of positive integer factors of 643 that divides 643 without a remainder.

1,643

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Factors of 130

List of positive integer factors of 130 that divides 130 without a remainder.

1,2,5,10,13,26,65,130

Greatest Common Factor

We found the factors 643,820,130 . The biggest common factor number is the GCF number.
So the greatest common factor 643,820,130 is 1.

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

• GCF of 622, 378, 702
• GCF of 986, 316, 251
• GCF of 580, 447, 109
• GCF of 771, 520, 629
• GCF of 313, 191, 347

1. What is the GCF of 643, 820, 130?

Answer: GCF of 643, 820, 130 is 1.

2. How to Find the GCF of 643, 820, 130

Answer: Greatest Common Factor(GCF) of 643, 820, 130 = 1

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

Step 2: Then multiply all the prime factors GCF(643, 820, 130) = 1.