Greatest Common Factor of 563, 308, 20

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

• Greatest Common Factor of 563, 308, 20 by common division method
• Greatest Common Factor of 563, 308, 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 563

List of positive integer factors of 563 that divides 563 without a remainder.

1,563

Factors of 308

List of positive integer factors of 308 that divides 308 without a remainder.

1,2,4,7,11,14,22,28,44,77,154,308

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 563,308,20 . The biggest common factor number is the GCF number.
So the greatest common factor 563,308,20 is 1.

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

• GCF of 160, 133, 46
• GCF of 757, 273, 58
• GCF of 575, 536, 62
• GCF of 489, 650, 34
• GCF of 949, 981, 29

1. What is the GCF of 563, 308, 20?

Answer: GCF of 563, 308, 20 is 1.

2. How to Find the GCF of 563, 308, 20

Answer: Greatest Common Factor(GCF) of 563, 308, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(563, 308, 20) = 1.