Greatest Common Factor of 245, 191, 20

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

• Greatest Common Factor of 245, 191, 20 by common division method
• Greatest Common Factor of 245, 191, 20 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 245

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

1,5,7,35,49,245

Factors of 191

List of positive integer factors of 191 that divides 191 without a remainder.

1,191

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 245,191,20 . The biggest common factor number is the GCF number.
So the greatest common factor 245,191,20 is 1.

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

• GCF of 812, 951, 17
• GCF of 762, 356, 59
• GCF of 346, 634, 19
• GCF of 206, 683, 47
• GCF of 851, 936, 63

1. What is the GCF of 245, 191, 20?

Answer: GCF of 245, 191, 20 is 1.

2. How to Find the GCF of 245, 191, 20

Answer: Greatest Common Factor(GCF) of 245, 191, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(245, 191, 20) = 1.