Greatest Common Factor of 20, 280, 128

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

• Greatest Common Factor of 20, 280, 128 by common division method
• Greatest Common Factor of 20, 280, 128 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 x 2 = 4

Factors of 20

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

1,2,4,5,10,20

Factors of 280

List of positive integer factors of 280 that divides 280 without a remainder.

1,2,4,5,7,8,10,14,20,28,35,40,56,70,140,280

Factors of 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Greatest Common Factor

We found the factors 20,280,128 . The biggest common factor number is the GCF number.
So the greatest common factor 20,280,128 is 4.

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

• GCF of 94, 379, 819
• GCF of 85, 978, 448
• GCF of 94, 563, 126
• GCF of 46, 633, 352
• GCF of 53, 472, 316

1. What is the GCF of 20, 280, 128?

Answer: GCF of 20, 280, 128 is 4.

2. How to Find the GCF of 20, 280, 128

Answer: Greatest Common Factor(GCF) of 20, 280, 128 = 4

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

Step 2: Then multiply all the prime factors GCF(20, 280, 128) = 4.