Greatest Common Factor of 128, 448, 391

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

• Greatest Common Factor of 128, 448, 391 by common division method
• Greatest Common Factor of 128, 448, 391 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 128

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

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

Factors of 448

List of positive integer factors of 448 that divides 448 without a remainder.

1,2,4,7,8,14,16,28,32,56,64,112,224,448

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Greatest Common Factor

We found the factors 128,448,391 . The biggest common factor number is the GCF number.
So the greatest common factor 128,448,391 is 1.

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

• GCF of 385, 404, 805
• GCF of 726, 923, 285
• GCF of 731, 942, 666
• GCF of 407, 650, 480
• GCF of 577, 499, 900

1. What is the GCF of 128, 448, 391?

Answer: GCF of 128, 448, 391 is 1.

2. How to Find the GCF of 128, 448, 391

Answer: Greatest Common Factor(GCF) of 128, 448, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(128, 448, 391) = 1.