Greatest Common Factor of 15, 48, 189

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

• Greatest Common Factor of 15, 48, 189 by common division method
• Greatest Common Factor of 15, 48, 189 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Greatest Common Factor

We found the factors 15,48,189 . The biggest common factor number is the GCF number.
So the greatest common factor 15,48,189 is 3.

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

• GCF of 89, 93, 844
• GCF of 52, 78, 192
• GCF of 80, 73, 198
• GCF of 26, 17, 532
• GCF of 72, 85, 442

1. What is the GCF of 15, 48, 189?

Answer: GCF of 15, 48, 189 is 3.

2. How to Find the GCF of 15, 48, 189

Answer: Greatest Common Factor(GCF) of 15, 48, 189 = 3

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

Step 2: Then multiply all the prime factors GCF(15, 48, 189) = 3.