Greatest Common Factor of 28, 39, 99, 153

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

• Greatest Common Factor of 28, 39, 99, 153 by common division method
• Greatest Common Factor of 28, 39, 99, 153 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 99

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

1,3,9,11,33,99

Factors of 153

List of positive integer factors of 153 that divides 153 without a remainder.

1,3,9,17,51,153

Greatest Common Factor

We found the factors 28,39,99,153 . The biggest common factor number is the GCF number.
So the greatest common factor 28,39,99,153 is 1.

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

• GCF of 67, 46, 41, 620
• GCF of 52, 25, 77, 216
• GCF of 16, 38, 29, 856
• GCF of 85, 94, 99, 718
• GCF of 44, 75, 54, 213

1. What is the GCF of 28, 39, 99, 153?

Answer: GCF of 28, 39, 99, 153 is 1.

2. How to Find the GCF of 28, 39, 99, 153

Answer: Greatest Common Factor(GCF) of 28, 39, 99, 153 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 39, 99, 153) = 1.