Greatest Common Factor of 20, 36, 61, 900

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

• Greatest Common Factor of 20, 36, 61, 900 by common division method
• Greatest Common Factor of 20, 36, 61, 900 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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 900

List of positive integer factors of 900 that divides 900 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,25,30,36,45,50,60,75,90,100,150,180,225,300,450,900

Greatest Common Factor

We found the factors 20,36,61,900 . The biggest common factor number is the GCF number.
So the greatest common factor 20,36,61,900 is 1.

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

• GCF of 76, 66, 65, 957
• GCF of 83, 66, 40, 610
• GCF of 63, 55, 64, 253
• GCF of 77, 53, 81, 505
• GCF of 30, 15, 74, 678

1. What is the GCF of 20, 36, 61, 900?

Answer: GCF of 20, 36, 61, 900 is 1.

2. How to Find the GCF of 20, 36, 61, 900

Answer: Greatest Common Factor(GCF) of 20, 36, 61, 900 = 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, 61, 900) = 1.