Greatest Common Factor of 28, 20, 866, 690

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

• Greatest Common Factor of 28, 20, 866, 690 by common division method
• Greatest Common Factor of 28, 20, 866, 690 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 20

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

1,2,4,5,10,20

Factors of 866

List of positive integer factors of 866 that divides 866 without a remainder.

1,2,433,866

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Greatest Common Factor

We found the factors 28,20,866,690 . The biggest common factor number is the GCF number.
So the greatest common factor 28,20,866,690 is 2.

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

• GCF of 44, 26, 540, 922
• GCF of 87, 12, 938, 186
• GCF of 91, 43, 397, 471
• GCF of 81, 35, 460, 472
• GCF of 82, 41, 591, 982

1. What is the GCF of 28, 20, 866, 690?

Answer: GCF of 28, 20, 866, 690 is 2.

2. How to Find the GCF of 28, 20, 866, 690

Answer: Greatest Common Factor(GCF) of 28, 20, 866, 690 = 2

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

Step 2: Then multiply all the prime factors GCF(28, 20, 866, 690) = 2.