Greatest Common Factor of 28, 99, 981

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

• Greatest Common Factor of 28, 99, 981 by common division method
• Greatest Common Factor of 28, 99, 981 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 99

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

1,3,9,11,33,99

Factors of 981

List of positive integer factors of 981 that divides 981 without a remainder.

1,3,9,109,327,981

Greatest Common Factor

We found the factors 28,99,981 . The biggest common factor number is the GCF number.
So the greatest common factor 28,99,981 is 1.

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

• GCF of 31, 92, 853
• GCF of 60, 60, 608
• GCF of 25, 97, 663
• GCF of 78, 33, 978
• GCF of 81, 63, 684

1. What is the GCF of 28, 99, 981?

Answer: GCF of 28, 99, 981 is 1.

2. How to Find the GCF of 28, 99, 981

Answer: Greatest Common Factor(GCF) of 28, 99, 981 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 99, 981) = 1.