Greatest Common Factor of 75, 81, 13, 79

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

• Greatest Common Factor of 75, 81, 13, 79 by common division method
• Greatest Common Factor of 75, 81, 13, 79 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 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 81

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

1,3,9,27,81

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Greatest Common Factor

We found the factors 75,81,13,79 . The biggest common factor number is the GCF number.
So the greatest common factor 75,81,13,79 is 1.

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

• GCF of 47, 89, 59, 77
• GCF of 93, 35, 82, 28
• GCF of 29, 43, 40, 46
• GCF of 31, 76, 57, 97
• GCF of 31, 45, 26, 39

1. What is the GCF of 75, 81, 13, 79?

Answer: GCF of 75, 81, 13, 79 is 1.

2. How to Find the GCF of 75, 81, 13, 79

Answer: Greatest Common Factor(GCF) of 75, 81, 13, 79 = 1

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

Step 2: Then multiply all the prime factors GCF(75, 81, 13, 79) = 1.