Greatest Common Factor of 389, 445, 81

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

• Greatest Common Factor of 389, 445, 81 by common division method
• Greatest Common Factor of 389, 445, 81 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 445

List of positive integer factors of 445 that divides 445 without a remainder.

1,5,89,445

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Greatest Common Factor

We found the factors 389,445,81 . The biggest common factor number is the GCF number.
So the greatest common factor 389,445,81 is 1.

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

• GCF of 281, 135, 57
• GCF of 214, 584, 76
• GCF of 121, 418, 86
• GCF of 455, 240, 39
• GCF of 540, 621, 87

1. What is the GCF of 389, 445, 81?

Answer: GCF of 389, 445, 81 is 1.

2. How to Find the GCF of 389, 445, 81

Answer: Greatest Common Factor(GCF) of 389, 445, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(389, 445, 81) = 1.