Greatest Common Factor of 84, 17, 78, 729

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

• Greatest Common Factor of 84, 17, 78, 729 by common division method
• Greatest Common Factor of 84, 17, 78, 729 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 729

List of positive integer factors of 729 that divides 729 without a remainder.

1,3,9,27,81,243,729

Greatest Common Factor

We found the factors 84,17,78,729 . The biggest common factor number is the GCF number.
So the greatest common factor 84,17,78,729 is 1.

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

• GCF of 57, 16, 68, 420
• GCF of 85, 21, 72, 282
• GCF of 67, 29, 87, 733
• GCF of 20, 39, 75, 610
• GCF of 83, 37, 94, 895

1. What is the GCF of 84, 17, 78, 729?

Answer: GCF of 84, 17, 78, 729 is 1.

2. How to Find the GCF of 84, 17, 78, 729

Answer: Greatest Common Factor(GCF) of 84, 17, 78, 729 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 17, 78, 729) = 1.