Greatest Common Factor of 42, 81, 44, 580

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

• Greatest Common Factor of 42, 81, 44, 580 by common division method
• Greatest Common Factor of 42, 81, 44, 580 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 44

List of positive integer factors of 44 that divides 44 without a remainder.

1,2,4,11,22,44

Factors of 580

List of positive integer factors of 580 that divides 580 without a remainder.

1,2,4,5,10,20,29,58,116,145,290,580

Greatest Common Factor

We found the factors 42,81,44,580 . The biggest common factor number is the GCF number.
So the greatest common factor 42,81,44,580 is 1.

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

• GCF of 36, 44, 30, 255
• GCF of 20, 50, 26, 376
• GCF of 33, 34, 54, 617
• GCF of 67, 50, 63, 416
• GCF of 20, 97, 68, 228

1. What is the GCF of 42, 81, 44, 580?

Answer: GCF of 42, 81, 44, 580 is 1.

2. How to Find the GCF of 42, 81, 44, 580

Answer: Greatest Common Factor(GCF) of 42, 81, 44, 580 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 81, 44, 580) = 1.