Greatest Common Factor of 21, 834, 621

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

• Greatest Common Factor of 21, 834, 621 by common division method
• Greatest Common Factor of 21, 834, 621 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 21

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

1,3,7,21

Factors of 834

List of positive integer factors of 834 that divides 834 without a remainder.

1,2,3,6,139,278,417,834

Factors of 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Greatest Common Factor

We found the factors 21,834,621 . The biggest common factor number is the GCF number.
So the greatest common factor 21,834,621 is 3.

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

• GCF of 95, 985, 517
• GCF of 11, 917, 422
• GCF of 22, 404, 288
• GCF of 98, 887, 275
• GCF of 67, 906, 403

1. What is the GCF of 21, 834, 621?

Answer: GCF of 21, 834, 621 is 3.

2. How to Find the GCF of 21, 834, 621

Answer: Greatest Common Factor(GCF) of 21, 834, 621 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 834, 621) = 3.