Greatest Common Factor of 64, 80, 55, 105

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

• Greatest Common Factor of 64, 80, 55, 105 by common division method
• Greatest Common Factor of 64, 80, 55, 105 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 64

List of positive integer factors of 64 that divides 64 without a remainder.

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

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Greatest Common Factor

We found the factors 64,80,55,105 . The biggest common factor number is the GCF number.
So the greatest common factor 64,80,55,105 is 1.

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

• GCF of 96, 24, 72, 614
• GCF of 79, 58, 48, 114
• GCF of 50, 82, 19, 186
• GCF of 15, 54, 74, 701
• GCF of 94, 89, 65, 767

1. What is the GCF of 64, 80, 55, 105?

Answer: GCF of 64, 80, 55, 105 is 1.

2. How to Find the GCF of 64, 80, 55, 105

Answer: Greatest Common Factor(GCF) of 64, 80, 55, 105 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 80, 55, 105) = 1.