Greatest Common Factor of 400, 128, 39

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

• Greatest Common Factor of 400, 128, 39 by common division method
• Greatest Common Factor of 400, 128, 39 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 400

List of positive integer factors of 400 that divides 400 without a remainder.

1,2,4,5,8,10,16,20,25,40,50,80,100,200,400

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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Greatest Common Factor

We found the factors 400,128,39 . The biggest common factor number is the GCF number.
So the greatest common factor 400,128,39 is 1.

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

• GCF of 218, 120, 64
• GCF of 610, 341, 16
• GCF of 538, 781, 33
• GCF of 669, 412, 40
• GCF of 982, 940, 89

1. What is the GCF of 400, 128, 39?

Answer: GCF of 400, 128, 39 is 1.

2. How to Find the GCF of 400, 128, 39

Answer: Greatest Common Factor(GCF) of 400, 128, 39 = 1

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

Step 2: Then multiply all the prime factors GCF(400, 128, 39) = 1.