Greatest Common Factor of 42, 66, 231

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

• Greatest Common Factor of 42, 66, 231 by common division method
• Greatest Common Factor of 42, 66, 231 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

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 42,66,231 . The biggest common factor number is the GCF number.
So the greatest common factor 42,66,231 is 3.

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

• GCF of 48, 27, 717
• GCF of 13, 33, 887
• GCF of 13, 19, 645
• GCF of 62, 49, 339
• GCF of 94, 31, 969

1. What is the GCF of 42, 66, 231?

Answer: GCF of 42, 66, 231 is 3.

2. How to Find the GCF of 42, 66, 231

Answer: Greatest Common Factor(GCF) of 42, 66, 231 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 66, 231) = 3.