Greatest Common Factor of 20, 48, 80, 445

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

• Greatest Common Factor of 20, 48, 80, 445 by common division method
• Greatest Common Factor of 20, 48, 80, 445 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 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 445

List of positive integer factors of 445 that divides 445 without a remainder.

1,5,89,445

Greatest Common Factor

We found the factors 20,48,80,445 . The biggest common factor number is the GCF number.
So the greatest common factor 20,48,80,445 is 1.

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

• GCF of 83, 69, 31, 243
• GCF of 35, 80, 86, 613
• GCF of 36, 30, 83, 302
• GCF of 93, 96, 92, 121
• GCF of 43, 49, 32, 323

1. What is the GCF of 20, 48, 80, 445?

Answer: GCF of 20, 48, 80, 445 is 1.

2. How to Find the GCF of 20, 48, 80, 445

Answer: Greatest Common Factor(GCF) of 20, 48, 80, 445 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 48, 80, 445) = 1.