Greatest Common Factor of 521, 396, 20

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

• Greatest Common Factor of 521, 396, 20 by common division method
• Greatest Common Factor of 521, 396, 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 396

List of positive integer factors of 396 that divides 396 without a remainder.

1,2,3,4,6,9,11,12,18,22,33,36,44,66,99,132,198,396

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 521,396,20 . The biggest common factor number is the GCF number.
So the greatest common factor 521,396,20 is 1.

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

• GCF of 796, 733, 56
• GCF of 969, 229, 25
• GCF of 983, 264, 68
• GCF of 505, 119, 93
• GCF of 791, 107, 90

1. What is the GCF of 521, 396, 20?

Answer: GCF of 521, 396, 20 is 1.

2. How to Find the GCF of 521, 396, 20

Answer: Greatest Common Factor(GCF) of 521, 396, 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, 396, 20) = 1.