Greatest Common Factor of 55, 20, 830

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

• Greatest Common Factor of 55, 20, 830 by common division method
• Greatest Common Factor of 55, 20, 830 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 55

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

1,5,11,55

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 830

List of positive integer factors of 830 that divides 830 without a remainder.

1,2,5,10,83,166,415,830

Greatest Common Factor

We found the factors 55,20,830 . The biggest common factor number is the GCF number.
So the greatest common factor 55,20,830 is 5.

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

• GCF of 33, 76, 806
• GCF of 26, 81, 814
• GCF of 43, 88, 617
• GCF of 56, 82, 791
• GCF of 60, 37, 364

1. What is the GCF of 55, 20, 830?

Answer: GCF of 55, 20, 830 is 5.

2. How to Find the GCF of 55, 20, 830

Answer: Greatest Common Factor(GCF) of 55, 20, 830 = 5

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

Step 2: Then multiply all the prime factors GCF(55, 20, 830) = 5.