Greatest Common Factor of 81, 42, 912

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

• Greatest Common Factor of 81, 42, 912 by common division method
• Greatest Common Factor of 81, 42, 912 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 81

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

1,3,9,27,81

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 912

List of positive integer factors of 912 that divides 912 without a remainder.

1,2,3,4,6,8,12,16,19,24,38,48,57,76,114,152,228,304,456,912

Greatest Common Factor

We found the factors 81,42,912 . The biggest common factor number is the GCF number.
So the greatest common factor 81,42,912 is 3.

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

• GCF of 68, 49, 250
• GCF of 39, 87, 807
• GCF of 72, 75, 275
• GCF of 18, 52, 803
• GCF of 10, 25, 854

1. What is the GCF of 81, 42, 912?

Answer: GCF of 81, 42, 912 is 3.

2. How to Find the GCF of 81, 42, 912

Answer: Greatest Common Factor(GCF) of 81, 42, 912 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 42, 912) = 3.