Greatest Common Factor of 99, 13, 77

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

• Greatest Common Factor of 99, 13, 77 by common division method
• Greatest Common Factor of 99, 13, 77 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 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 13

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

1,13

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Greatest Common Factor

We found the factors 99,13,77 . The biggest common factor number is the GCF number.
So the greatest common factor 99,13,77 is 1.

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

• GCF of 17, 30, 18
• GCF of 53, 18, 18
• GCF of 91, 46, 15
• GCF of 12, 80, 19
• GCF of 49, 44, 64

1. What is the GCF of 99, 13, 77?

Answer: GCF of 99, 13, 77 is 1.

2. How to Find the GCF of 99, 13, 77

Answer: Greatest Common Factor(GCF) of 99, 13, 77 = 1

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

Step 2: Then multiply all the prime factors GCF(99, 13, 77) = 1.