Greatest Common Factor of 20, 57, 693

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

• Greatest Common Factor of 20, 57, 693 by common division method
• Greatest Common Factor of 20, 57, 693 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 20

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

1,2,4,5,10,20

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 693

List of positive integer factors of 693 that divides 693 without a remainder.

1,3,7,9,11,21,33,63,77,99,231,693

Greatest Common Factor

We found the factors 20,57,693 . The biggest common factor number is the GCF number.
So the greatest common factor 20,57,693 is 1.

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

• GCF of 39, 10, 571
• GCF of 47, 20, 765
• GCF of 94, 52, 702
• GCF of 38, 81, 272
• GCF of 16, 81, 387

1. What is the GCF of 20, 57, 693?

Answer: GCF of 20, 57, 693 is 1.

2. How to Find the GCF of 20, 57, 693

Answer: Greatest Common Factor(GCF) of 20, 57, 693 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 57, 693) = 1.