Greatest Common Factor of 42, 171, 356

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

• Greatest Common Factor of 42, 171, 356 by common division method
• Greatest Common Factor of 42, 171, 356 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 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Factors of 356

List of positive integer factors of 356 that divides 356 without a remainder.

1,2,4,89,178,356

Greatest Common Factor

We found the factors 42,171,356 . The biggest common factor number is the GCF number.
So the greatest common factor 42,171,356 is 1.

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

• GCF of 65, 264, 226
• GCF of 21, 459, 790
• GCF of 44, 149, 933
• GCF of 83, 182, 452
• GCF of 88, 648, 554

1. What is the GCF of 42, 171, 356?

Answer: GCF of 42, 171, 356 is 1.

2. How to Find the GCF of 42, 171, 356

Answer: Greatest Common Factor(GCF) of 42, 171, 356 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 171, 356) = 1.