Greatest Common Factor of 45, 12, 39, 389

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

• Greatest Common Factor of 45, 12, 39, 389 by common division method
• Greatest Common Factor of 45, 12, 39, 389 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 39

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

1,3,13,39

Factors of 389

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

1,389

Greatest Common Factor

We found the factors 45,12,39,389 . The biggest common factor number is the GCF number.
So the greatest common factor 45,12,39,389 is 1.

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

• GCF of 42, 14, 38, 136
• GCF of 74, 92, 36, 505
• GCF of 91, 51, 83, 936
• GCF of 92, 90, 29, 620
• GCF of 64, 56, 47, 277

1. What is the GCF of 45, 12, 39, 389?

Answer: GCF of 45, 12, 39, 389 is 1.

2. How to Find the GCF of 45, 12, 39, 389

Answer: Greatest Common Factor(GCF) of 45, 12, 39, 389 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 12, 39, 389) = 1.