Greatest Common Factor of 20, 36, 18, 801

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

• Greatest Common Factor of 20, 36, 18, 801 by common division method
• Greatest Common Factor of 20, 36, 18, 801 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 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 801

List of positive integer factors of 801 that divides 801 without a remainder.

1,3,9,89,267,801

Greatest Common Factor

We found the factors 20,36,18,801 . The biggest common factor number is the GCF number.
So the greatest common factor 20,36,18,801 is 1.

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

• GCF of 95, 78, 56, 717
• GCF of 59, 76, 61, 250
• GCF of 42, 27, 78, 662
• GCF of 14, 20, 90, 326
• GCF of 39, 35, 11, 480

1. What is the GCF of 20, 36, 18, 801?

Answer: GCF of 20, 36, 18, 801 is 1.

2. How to Find the GCF of 20, 36, 18, 801

Answer: Greatest Common Factor(GCF) of 20, 36, 18, 801 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 36, 18, 801) = 1.