Greatest Common Factor of 47, 20, 23, 648

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

• Greatest Common Factor of 47, 20, 23, 648 by common division method
• Greatest Common Factor of 47, 20, 23, 648 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 47

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

1,47

Factors of 20

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

1,2,4,5,10,20

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 648

List of positive integer factors of 648 that divides 648 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,81,108,162,216,324,648

Greatest Common Factor

We found the factors 47,20,23,648 . The biggest common factor number is the GCF number.
So the greatest common factor 47,20,23,648 is 1.

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

• GCF of 53, 53, 93, 743
• GCF of 75, 72, 63, 201
• GCF of 37, 60, 70, 623
• GCF of 79, 75, 38, 370
• GCF of 78, 79, 61, 618

1. What is the GCF of 47, 20, 23, 648?

Answer: GCF of 47, 20, 23, 648 is 1.

2. How to Find the GCF of 47, 20, 23, 648

Answer: Greatest Common Factor(GCF) of 47, 20, 23, 648 = 1

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

Step 2: Then multiply all the prime factors GCF(47, 20, 23, 648) = 1.