Greatest Common Factor of 81, 480, 945

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

• Greatest Common Factor of 81, 480, 945 by common division method
• Greatest Common Factor of 81, 480, 945 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 480

List of positive integer factors of 480 that divides 480 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,80,96,120,160,240,480

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Greatest Common Factor

We found the factors 81,480,945 . The biggest common factor number is the GCF number.
So the greatest common factor 81,480,945 is 3.

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

• GCF of 89, 715, 268
• GCF of 93, 393, 698
• GCF of 30, 167, 403
• GCF of 18, 525, 796
• GCF of 75, 295, 566

1. What is the GCF of 81, 480, 945?

Answer: GCF of 81, 480, 945 is 3.

2. How to Find the GCF of 81, 480, 945

Answer: Greatest Common Factor(GCF) of 81, 480, 945 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 480, 945) = 3.