Greatest Common Factor of 20, 42, 533

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

• Greatest Common Factor of 20, 42, 533 by common division method
• Greatest Common Factor of 20, 42, 533 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 533

List of positive integer factors of 533 that divides 533 without a remainder.

1,13,41,533

Greatest Common Factor

We found the factors 20,42,533 . The biggest common factor number is the GCF number.
So the greatest common factor 20,42,533 is 1.

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

• GCF of 54, 90, 365
• GCF of 10, 24, 989
• GCF of 28, 27, 931
• GCF of 42, 89, 800
• GCF of 83, 64, 892

1. What is the GCF of 20, 42, 533?

Answer: GCF of 20, 42, 533 is 1.

2. How to Find the GCF of 20, 42, 533

Answer: Greatest Common Factor(GCF) of 20, 42, 533 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 42, 533) = 1.