Greatest Common Factor of 729, 690, 420

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

• Greatest Common Factor of 729, 690, 420 by common division method
• Greatest Common Factor of 729, 690, 420 with matching the biggest common factor

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

Factors of 729

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

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

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 729,690,420 . The biggest common factor number is the GCF number.
So the greatest common factor 729,690,420 is 3.

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

• GCF of 684, 106, 111
• GCF of 862, 869, 779
• GCF of 173, 998, 206
• GCF of 392, 196, 852
• GCF of 585, 359, 754

1. What is the GCF of 729, 690, 420?

Answer: GCF of 729, 690, 420 is 3.

2. How to Find the GCF of 729, 690, 420

Answer: Greatest Common Factor(GCF) of 729, 690, 420 = 3

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

Step 2: Then multiply all the prime factors GCF(729, 690, 420) = 3.