Greatest Common Factor of 42, 70, 11, 231

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

• Greatest Common Factor of 42, 70, 11, 231 by common division method
• Greatest Common Factor of 42, 70, 11, 231 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 231

List of positive integer factors of 231 that divides 231 without a remainder.

1,3,7,11,21,33,77,231

Greatest Common Factor

We found the factors 42,70,11,231 . The biggest common factor number is the GCF number.
So the greatest common factor 42,70,11,231 is 1.

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

• GCF of 18, 68, 75, 325
• GCF of 52, 54, 86, 295
• GCF of 79, 46, 92, 285
• GCF of 81, 93, 46, 638
• GCF of 66, 83, 39, 424

1. What is the GCF of 42, 70, 11, 231?

Answer: GCF of 42, 70, 11, 231 is 1.

2. How to Find the GCF of 42, 70, 11, 231

Answer: Greatest Common Factor(GCF) of 42, 70, 11, 231 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 70, 11, 231) = 1.