Greatest Common Factor of 521, 612, 20

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

• Greatest Common Factor of 521, 612, 20 by common division method
• Greatest Common Factor of 521, 612, 20 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 521

List of positive integer factors of 521 that divides 521 without a remainder.

1,521

Factors of 612

List of positive integer factors of 612 that divides 612 without a remainder.

1,2,3,4,6,9,12,17,18,34,36,51,68,102,153,204,306,612

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 521,612,20 . The biggest common factor number is the GCF number.
So the greatest common factor 521,612,20 is 1.

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

• GCF of 994, 556, 69
• GCF of 340, 747, 91
• GCF of 267, 460, 96
• GCF of 752, 547, 48
• GCF of 947, 479, 62

1. What is the GCF of 521, 612, 20?

Answer: GCF of 521, 612, 20 is 1.

2. How to Find the GCF of 521, 612, 20

Answer: Greatest Common Factor(GCF) of 521, 612, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(521, 612, 20) = 1.