Greatest Common Factor of 20, 47, 63, 240

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

• Greatest Common Factor of 20, 47, 63, 240 by common division method
• Greatest Common Factor of 20, 47, 63, 240 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 47

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

1,47

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 240

List of positive integer factors of 240 that divides 240 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,40,48,60,80,120,240

Greatest Common Factor

We found the factors 20,47,63,240 . The biggest common factor number is the GCF number.
So the greatest common factor 20,47,63,240 is 1.

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

• GCF of 70, 28, 86, 696
• GCF of 83, 79, 58, 212
• GCF of 78, 81, 23, 618
• GCF of 51, 16, 59, 961
• GCF of 98, 88, 26, 360

1. What is the GCF of 20, 47, 63, 240?

Answer: GCF of 20, 47, 63, 240 is 1.

2. How to Find the GCF of 20, 47, 63, 240

Answer: Greatest Common Factor(GCF) of 20, 47, 63, 240 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 47, 63, 240) = 1.