Greatest Common Factor of 571, 285, 42

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

• Greatest Common Factor of 571, 285, 42 by common division method
• Greatest Common Factor of 571, 285, 42 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 571

List of positive integer factors of 571 that divides 571 without a remainder.

1,571

Factors of 285

List of positive integer factors of 285 that divides 285 without a remainder.

1,3,5,15,19,57,95,285

Factors of 42

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

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

Greatest Common Factor

We found the factors 571,285,42 . The biggest common factor number is the GCF number.
So the greatest common factor 571,285,42 is 1.

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

• GCF of 749, 683, 35
• GCF of 805, 477, 11
• GCF of 688, 853, 55
• GCF of 799, 787, 95
• GCF of 908, 718, 36

1. What is the GCF of 571, 285, 42?

Answer: GCF of 571, 285, 42 is 1.

2. How to Find the GCF of 571, 285, 42

Answer: Greatest Common Factor(GCF) of 571, 285, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(571, 285, 42) = 1.