Greatest Common Factor of 81, 702, 243

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

• Greatest Common Factor of 81, 702, 243 by common division method
• Greatest Common Factor of 81, 702, 243 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 3 x 3 = 27

Factors of 81

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

1,3,9,27,81

Factors of 702

List of positive integer factors of 702 that divides 702 without a remainder.

1,2,3,6,9,13,18,26,27,39,54,78,117,234,351,702

Factors of 243

List of positive integer factors of 243 that divides 243 without a remainder.

1,3,9,27,81,243

Greatest Common Factor

We found the factors 81,702,243 . The biggest common factor number is the GCF number.
So the greatest common factor 81,702,243 is 27.

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

• GCF of 18, 643, 327
• GCF of 57, 695, 158
• GCF of 54, 145, 902
• GCF of 21, 788, 519
• GCF of 99, 969, 467

1. What is the GCF of 81, 702, 243?

Answer: GCF of 81, 702, 243 is 27.

2. How to Find the GCF of 81, 702, 243

Answer: Greatest Common Factor(GCF) of 81, 702, 243 = 27

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

Step 2: Then multiply all the prime factors GCF(81, 702, 243) = 27.