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# What is the greatest common factor of 21 and 80?

Updated: 8/30/2023 Wiki User

6y ago

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.

The greatest common factor of 21 and 85 is 1. Wiki User

13y ago   Wiki User

13y ago

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.

The greatest common factor of 73 and 85 is 1   Wiki User

7y ago

The greatest common factor of 21 and 81 is 3.   Wiki User

6y ago

The greatest common factor of 21 and 80 is 1.   Wiki User

7y ago

The GCF of 21 and 65 is 1.

The factors of 21 are 1, 3, 7 and 21.

The factors of 65 are 1, 5, 13 and 65.

They only have 1 in common, so it is the GCF.   Wiki User

6y ago

The word "GREATEST" is a superlative adjective and that means there can be only one.GCF(21, 80) = 1.   Wiki User

7y ago

The GCF of 21, 35, and 84 is 7.   Wiki User

6y ago

The GCF of 15 and 85 is... 5   Wiki User

6y ago

The GCF is 1.   Wiki User

12y ago

gcf of 21 and 80 is 1.   Earn +20 pts
Q: What is the greatest common factor of 21 and 80?
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### What is the greatest common factor of 80 52 60?

The Greatest Common Factor of 80, 52, 60: 4

### What is the greatest common factor of 10 80?

The Greatest Common Factor (GCF) is: 10

### What are the greatest common factors of 54 and 80?

The greatest common factor of 54 and 80 is 2.

### What is the maximum common factor between 21 and 80?

21 and 80's highest common factor is one.

### What is the greatest common factor of 20 and 30 and 80?

The greatest common factor of 20, 30, and 80 is 10.

Related questions

The GCF is 1.

### What is the Greatest Common Factor of 80 and 54?

The greatest common factor of 54 and 80 is 2

### What is the greatest common factor of 80 180?

The greatest common factor of 80 , 180 = 20

### What is the greatest common factor of 80 and 120?

The greatest common factor of 80 and 120 is 40.

### What is the greatest common factor of 25 and 80?

The greatest common factor of 25 and 80 is 5.

### What is the greatest common factor of 80 and 126?

The greatest common factor of 80 and 126 is 2.

### What is the greatest common factor of 80 and 105?

The greatest common factor of 80 and 105 is 5.

### What is the greatest common factor of 24 48 and 80?

The greatest common factor of 24, 48, and 80 is 8.

### What is the greatest common factor of 80 52 60?

The Greatest Common Factor of 80, 52, 60: 4

### What is the greatest common factor of 10 80?

The Greatest Common Factor (GCF) is: 10

### What is the greatest common factor of 60 80 120?

The Greatest Common Factor of 60, 80, 120 is 20.

### What are the greatest common factors of 54 and 80?

The greatest common factor of 54 and 80 is 2.