Greatest Common Factor of 81, 12, 42, 414

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

• Greatest Common Factor of 81, 12, 42, 414 by common division method
• Greatest Common Factor of 81, 12, 42, 414 with matching the biggest common factor

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

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

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 414

List of positive integer factors of 414 that divides 414 without a remainder.

1,2,3,6,9,18,23,46,69,138,207,414

Greatest Common Factor

We found the factors 81,12,42,414 . The biggest common factor number is the GCF number.
So the greatest common factor 81,12,42,414 is 3.

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

• GCF of 73, 71, 17, 399
• GCF of 72, 33, 78, 869
• GCF of 95, 22, 36, 364
• GCF of 93, 90, 88, 970
• GCF of 84, 45, 56, 473

1. What is the GCF of 81, 12, 42, 414?

Answer: GCF of 81, 12, 42, 414 is 3.

2. How to Find the GCF of 81, 12, 42, 414

Answer: Greatest Common Factor(GCF) of 81, 12, 42, 414 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 12, 42, 414) = 3.