Greatest Common Factor of 20, 308, 138

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

• Greatest Common Factor of 20, 308, 138 by common division method
• Greatest Common Factor of 20, 308, 138 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 20

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

1,2,4,5,10,20

Factors of 308

List of positive integer factors of 308 that divides 308 without a remainder.

1,2,4,7,11,14,22,28,44,77,154,308

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 20,308,138 . The biggest common factor number is the GCF number.
So the greatest common factor 20,308,138 is 2.

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

• GCF of 78, 135, 823
• GCF of 72, 384, 910
• GCF of 71, 866, 355
• GCF of 19, 985, 993
• GCF of 63, 599, 891

1. What is the GCF of 20, 308, 138?

Answer: GCF of 20, 308, 138 is 2.

2. How to Find the GCF of 20, 308, 138

Answer: Greatest Common Factor(GCF) of 20, 308, 138 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 308, 138) = 2.