Greatest Common Factor of 21, 298, 789

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

• Greatest Common Factor of 21, 298, 789 by common division method
• Greatest Common Factor of 21, 298, 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 298

List of positive integer factors of 298 that divides 298 without a remainder.

1,2,149,298

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 21,298,789 . The biggest common factor number is the GCF number.
So the greatest common factor 21,298,789 is 1.

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

• GCF of 32, 120, 365
• GCF of 76, 198, 101
• GCF of 50, 183, 989
• GCF of 63, 778, 525
• GCF of 27, 616, 754

1. What is the GCF of 21, 298, 789?

Answer: GCF of 21, 298, 789 is 1.

2. How to Find the GCF of 21, 298, 789

Answer: Greatest Common Factor(GCF) of 21, 298, 789 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 298, 789) = 1.