Greatest Common Factor of 17, 57, 85, 52, 80

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

• Greatest Common Factor of 17, 57, 85, 52, 80 by common division method
• Greatest Common Factor of 17, 57, 85, 52, 80 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 57

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

1,3,19,57

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

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

Greatest Common Factor

We found the factors 17,57,85,52,80 . The biggest common factor number is the GCF number.
So the greatest common factor 17,57,85,52,80 is 1.

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

• GCF of 48, 98, 30, 74, 71
• GCF of 93, 49, 60, 62, 75
• GCF of 52, 45, 23, 56, 21
• GCF of 91, 98, 22, 23, 24
• GCF of 57, 85, 47, 40, 22

1. What is the GCF of 17, 57, 85, 52, 80?

Answer: GCF of 17, 57, 85, 52, 80 is 1.

2. How to Find the GCF of 17, 57, 85, 52, 80

Answer: Greatest Common Factor(GCF) of 17, 57, 85, 52, 80 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 57, 85, 52, 80) = 1.