Greatest Common Factor of 20, 55, 670

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

• Greatest Common Factor of 20, 55, 670 by common division method
• Greatest Common Factor of 20, 55, 670 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 20

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

1,2,4,5,10,20

Factors of 55

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

1,5,11,55

Factors of 670

List of positive integer factors of 670 that divides 670 without a remainder.

1,2,5,10,67,134,335,670

Greatest Common Factor

We found the factors 20,55,670 . The biggest common factor number is the GCF number.
So the greatest common factor 20,55,670 is 5.

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

• GCF of 54, 75, 539
• GCF of 46, 79, 619
• GCF of 97, 33, 562
• GCF of 99, 89, 603
• GCF of 37, 88, 245

1. What is the GCF of 20, 55, 670?

Answer: GCF of 20, 55, 670 is 5.

2. How to Find the GCF of 20, 55, 670

Answer: Greatest Common Factor(GCF) of 20, 55, 670 = 5

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

Step 2: Then multiply all the prime factors GCF(20, 55, 670) = 5.