Greatest Common Factor of 23, 20, 128

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

• Greatest Common Factor of 23, 20, 128 by common division method
• Greatest Common Factor of 23, 20, 128 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 20

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

1,2,4,5,10,20

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 23,20,128 . The biggest common factor number is the GCF number.
So the greatest common factor 23,20,128 is 1.

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

• GCF of 54, 95, 571
• GCF of 29, 53, 965
• GCF of 24, 31, 342
• GCF of 41, 91, 385
• GCF of 87, 56, 454

1. What is the GCF of 23, 20, 128?

Answer: GCF of 23, 20, 128 is 1.

2. How to Find the GCF of 23, 20, 128

Answer: Greatest Common Factor(GCF) of 23, 20, 128 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 20, 128) = 1.