Greatest Common Factor of 47, 39, 80, 421

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

• Greatest Common Factor of 47, 39, 80, 421 by common division method
• Greatest Common Factor of 47, 39, 80, 421 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Greatest Common Factor

We found the factors 47,39,80,421 . The biggest common factor number is the GCF number.
So the greatest common factor 47,39,80,421 is 1.

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

• GCF of 40, 68, 48, 838
• GCF of 50, 46, 15, 271
• GCF of 32, 85, 64, 755
• GCF of 29, 46, 91, 654
• GCF of 49, 48, 61, 725

1. What is the GCF of 47, 39, 80, 421?

Answer: GCF of 47, 39, 80, 421 is 1.

2. How to Find the GCF of 47, 39, 80, 421

Answer: Greatest Common Factor(GCF) of 47, 39, 80, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(47, 39, 80, 421) = 1.