Greatest Common Factor of 28, 99, 11, 139

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

• Greatest Common Factor of 28, 99, 11, 139 by common division method
• Greatest Common Factor of 28, 99, 11, 139 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Greatest Common Factor

We found the factors 28,99,11,139 . The biggest common factor number is the GCF number.
So the greatest common factor 28,99,11,139 is 1.

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

• GCF of 12, 26, 47, 754
• GCF of 46, 51, 23, 603
• GCF of 68, 97, 45, 645
• GCF of 75, 10, 16, 246
• GCF of 40, 99, 12, 479

1. What is the GCF of 28, 99, 11, 139?

Answer: GCF of 28, 99, 11, 139 is 1.

2. How to Find the GCF of 28, 99, 11, 139

Answer: Greatest Common Factor(GCF) of 28, 99, 11, 139 = 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, 11, 139) = 1.