Greatest Common Factor of 389, 168, 15

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

• Greatest Common Factor of 389, 168, 15 by common division method
• Greatest Common Factor of 389, 168, 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 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Factors of 168

List of positive integer factors of 168 that divides 168 without a remainder.

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

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 389,168,15 . The biggest common factor number is the GCF number.
So the greatest common factor 389,168,15 is 1.

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

• GCF of 787, 399, 19
• GCF of 140, 488, 84
• GCF of 653, 227, 78
• GCF of 669, 786, 87
• GCF of 270, 402, 67

1. What is the GCF of 389, 168, 15?

Answer: GCF of 389, 168, 15 is 1.

2. How to Find the GCF of 389, 168, 15

Answer: Greatest Common Factor(GCF) of 389, 168, 15 = 1

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

Step 2: Then multiply all the prime factors GCF(389, 168, 15) = 1.