Greatest Common Factor of 28, 398, 789

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

• Greatest Common Factor of 28, 398, 789 by common division method
• Greatest Common Factor of 28, 398, 789 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 398

List of positive integer factors of 398 that divides 398 without a remainder.

1,2,199,398

Factors of 789

List of positive integer factors of 789 that divides 789 without a remainder.

1,3,263,789

Greatest Common Factor

We found the factors 28,398,789 . The biggest common factor number is the GCF number.
So the greatest common factor 28,398,789 is 1.

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

• GCF of 82, 936, 624
• GCF of 49, 715, 426
• GCF of 14, 619, 977
• GCF of 34, 221, 768
• GCF of 79, 477, 160

1. What is the GCF of 28, 398, 789?

Answer: GCF of 28, 398, 789 is 1.

2. How to Find the GCF of 28, 398, 789

Answer: Greatest Common Factor(GCF) of 28, 398, 789 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 398, 789) = 1.