Greatest Common Factor of 81, 705, 972

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

• Greatest Common Factor of 81, 705, 972 by common division method
• Greatest Common Factor of 81, 705, 972 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 705

List of positive integer factors of 705 that divides 705 without a remainder.

1,3,5,15,47,141,235,705

Factors of 972

List of positive integer factors of 972 that divides 972 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,81,108,162,243,324,486,972

Greatest Common Factor

We found the factors 81,705,972 . The biggest common factor number is the GCF number.
So the greatest common factor 81,705,972 is 3.

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

• GCF of 12, 108, 978
• GCF of 16, 751, 176
• GCF of 82, 459, 329
• GCF of 27, 552, 541
• GCF of 51, 374, 464

1. What is the GCF of 81, 705, 972?

Answer: GCF of 81, 705, 972 is 3.

2. How to Find the GCF of 81, 705, 972

Answer: Greatest Common Factor(GCF) of 81, 705, 972 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 705, 972) = 3.