Greatest Common Factor of 42, 39, 447, 520

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

• Greatest Common Factor of 42, 39, 447, 520 by common division method
• Greatest Common Factor of 42, 39, 447, 520 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 39

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

1,3,13,39

Factors of 447

List of positive integer factors of 447 that divides 447 without a remainder.

1,3,149,447

Factors of 520

List of positive integer factors of 520 that divides 520 without a remainder.

1,2,4,5,8,10,13,20,26,40,52,65,104,130,260,520

Greatest Common Factor

We found the factors 42,39,447,520 . The biggest common factor number is the GCF number.
So the greatest common factor 42,39,447,520 is 1.

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

• GCF of 83, 32, 419, 343
• GCF of 29, 43, 262, 401
• GCF of 75, 86, 654, 612
• GCF of 64, 90, 126, 214
• GCF of 69, 53, 218, 610

1. What is the GCF of 42, 39, 447, 520?

Answer: GCF of 42, 39, 447, 520 is 1.

2. How to Find the GCF of 42, 39, 447, 520

Answer: Greatest Common Factor(GCF) of 42, 39, 447, 520 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 39, 447, 520) = 1.