Greatest Common Factor of 275, 189, 15

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

• Greatest Common Factor of 275, 189, 15 by common division method
• Greatest Common Factor of 275, 189, 15 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 275

List of positive integer factors of 275 that divides 275 without a remainder.

1,5,11,25,55,275

Factors of 189

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

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

Factors of 15

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

1,3,5,15

Greatest Common Factor

We found the factors 275,189,15 . The biggest common factor number is the GCF number.
So the greatest common factor 275,189,15 is 1.

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

• GCF of 578, 405, 64
• GCF of 451, 837, 44
• GCF of 451, 632, 55
• GCF of 945, 219, 20
• GCF of 397, 882, 49

1. What is the GCF of 275, 189, 15?

Answer: GCF of 275, 189, 15 is 1.

2. How to Find the GCF of 275, 189, 15

Answer: Greatest Common Factor(GCF) of 275, 189, 15 = 1

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

Step 2: Then multiply all the prime factors GCF(275, 189, 15) = 1.