Greatest Common Factor of 42, 43, 165, 442

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

• Greatest Common Factor of 42, 43, 165, 442 by common division method
• Greatest Common Factor of 42, 43, 165, 442 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 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 165

List of positive integer factors of 165 that divides 165 without a remainder.

1,3,5,11,15,33,55,165

Factors of 442

List of positive integer factors of 442 that divides 442 without a remainder.

1,2,13,17,26,34,221,442

Greatest Common Factor

We found the factors 42,43,165,442 . The biggest common factor number is the GCF number.
So the greatest common factor 42,43,165,442 is 1.

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

• GCF of 84, 78, 839, 614
• GCF of 27, 54, 543, 328
• GCF of 31, 30, 874, 531
• GCF of 69, 15, 631, 636
• GCF of 11, 85, 150, 330

1. What is the GCF of 42, 43, 165, 442?

Answer: GCF of 42, 43, 165, 442 is 1.

2. How to Find the GCF of 42, 43, 165, 442

Answer: Greatest Common Factor(GCF) of 42, 43, 165, 442 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 43, 165, 442) = 1.