Greatest Common Factor of 20, 50, 247

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

• Greatest Common Factor of 20, 50, 247 by common division method
• Greatest Common Factor of 20, 50, 247 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 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 247

List of positive integer factors of 247 that divides 247 without a remainder.

1,13,19,247

Greatest Common Factor

We found the factors 20,50,247 . The biggest common factor number is the GCF number.
So the greatest common factor 20,50,247 is 1.

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

• GCF of 65, 37, 555
• GCF of 99, 66, 453
• GCF of 26, 70, 701
• GCF of 62, 37, 379
• GCF of 89, 46, 932

1. What is the GCF of 20, 50, 247?

Answer: GCF of 20, 50, 247 is 1.

2. How to Find the GCF of 20, 50, 247

Answer: Greatest Common Factor(GCF) of 20, 50, 247 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 50, 247) = 1.