Greatest Common Factor of 73, 47, 49, 20, 245

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

• Greatest Common Factor of 73, 47, 49, 20, 245 by common division method
• Greatest Common Factor of 73, 47, 49, 20, 245 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 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 245

List of positive integer factors of 245 that divides 245 without a remainder.

1,5,7,35,49,245

Greatest Common Factor

We found the factors 73,47,49,20,245 . The biggest common factor number is the GCF number.
So the greatest common factor 73,47,49,20,245 is 1.

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

• GCF of 91, 76, 76, 88, 120
• GCF of 16, 84, 44, 48, 505
• GCF of 63, 25, 70, 77, 528
• GCF of 43, 60, 82, 51, 153
• GCF of 38, 26, 52, 47, 692

1. What is the GCF of 73, 47, 49, 20, 245?

Answer: GCF of 73, 47, 49, 20, 245 is 1.

2. How to Find the GCF of 73, 47, 49, 20, 245

Answer: Greatest Common Factor(GCF) of 73, 47, 49, 20, 245 = 1

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

Step 2: Then multiply all the prime factors GCF(73, 47, 49, 20, 245) = 1.