Greatest Common Factor of 80, 57, 15, 1, 81

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

• Greatest Common Factor of 80, 57, 15, 1, 81 by common division method
• Greatest Common Factor of 80, 57, 15, 1, 81 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 1

List of positive integer factors of 1 that divides 1 without a remainder.

1

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Greatest Common Factor

We found the factors 80,57,15,1,81 . The biggest common factor number is the GCF number.
So the greatest common factor 80,57,15,1,81 is 1.

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

• GCF of 14, 94, 85, 4, 58
• GCF of 20, 63, 54, 3, 95
• GCF of 46, 57, 97, 8, 80
• GCF of 99, 98, 17, 5, 54
• GCF of 59, 87, 59, 2, 13

1. What is the GCF of 80, 57, 15, 1, 81?

Answer: GCF of 80, 57, 15, 1, 81 is 1.

2. How to Find the GCF of 80, 57, 15, 1, 81

Answer: Greatest Common Factor(GCF) of 80, 57, 15, 1, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 57, 15, 1, 81) = 1.