Greatest Common Factor of 21, 389, 527

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

• Greatest Common Factor of 21, 389, 527 by common division method
• Greatest Common Factor of 21, 389, 527 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 389

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

1,389

Factors of 527

List of positive integer factors of 527 that divides 527 without a remainder.

1,17,31,527

Greatest Common Factor

We found the factors 21,389,527 . The biggest common factor number is the GCF number.
So the greatest common factor 21,389,527 is 1.

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

• GCF of 81, 596, 132
• GCF of 29, 338, 689
• GCF of 54, 337, 324
• GCF of 29, 211, 803
• GCF of 29, 483, 172

1. What is the GCF of 21, 389, 527?

Answer: GCF of 21, 389, 527 is 1.

2. How to Find the GCF of 21, 389, 527

Answer: Greatest Common Factor(GCF) of 21, 389, 527 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 389, 527) = 1.