Greatest Common Factor of 286, 189, 15

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

• Greatest Common Factor of 286, 189, 15 by common division method
• Greatest Common Factor of 286, 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 286

List of positive integer factors of 286 that divides 286 without a remainder.

1,2,11,13,22,26,143,286

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 286,189,15 . The biggest common factor number is the GCF number.
So the greatest common factor 286,189,15 is 1.

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

• GCF of 751, 480, 86
• GCF of 911, 145, 64
• GCF of 395, 996, 34
• GCF of 802, 519, 65
• GCF of 503, 846, 54

1. What is the GCF of 286, 189, 15?

Answer: GCF of 286, 189, 15 is 1.

2. How to Find the GCF of 286, 189, 15

Answer: Greatest Common Factor(GCF) of 286, 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(286, 189, 15) = 1.