Greatest Common Factor of 65, 66, 71, 59, 57

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

• Greatest Common Factor of 65, 66, 71, 59, 57 by common division method
• Greatest Common Factor of 65, 66, 71, 59, 57 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 59

List of positive integer factors of 59 that divides 59 without a remainder.

1,59

Factors of 57

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

1,3,19,57

Greatest Common Factor

We found the factors 65,66,71,59,57 . The biggest common factor number is the GCF number.
So the greatest common factor 65,66,71,59,57 is 1.

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

• GCF of 31, 20, 45, 70, 18
• GCF of 99, 95, 82, 95, 65
• GCF of 55, 67, 49, 24, 21
• GCF of 71, 54, 19, 68, 56
• GCF of 92, 56, 95, 33, 19

1. What is the GCF of 65, 66, 71, 59, 57?

Answer: GCF of 65, 66, 71, 59, 57 is 1.

2. How to Find the GCF of 65, 66, 71, 59, 57

Answer: Greatest Common Factor(GCF) of 65, 66, 71, 59, 57 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 66, 71, 59, 57) = 1.