Greatest Common Factor of 80, 18, 23, 105

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

• Greatest Common Factor of 80, 18, 23, 105 by common division method
• Greatest Common Factor of 80, 18, 23, 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 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 23

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

1,23

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 80,18,23,105 . The biggest common factor number is the GCF number.
So the greatest common factor 80,18,23,105 is 1.

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

• GCF of 85, 66, 50, 511
• GCF of 98, 58, 94, 873
• GCF of 71, 26, 29, 651
• GCF of 53, 67, 28, 874
• GCF of 59, 26, 35, 815

1. What is the GCF of 80, 18, 23, 105?

Answer: GCF of 80, 18, 23, 105 is 1.

2. How to Find the GCF of 80, 18, 23, 105

Answer: Greatest Common Factor(GCF) of 80, 18, 23, 105 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 18, 23, 105) = 1.