81
The GCF is 9.
The greatest common factor of 343 and 729 is 1 The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.
2/3 x 729 = 486
32 = 2 x 2 x 2 x 2 x 2, 729 = 3 x 3 x 3 x 3 x 3 x 3 There is no common factor other than 1
To divide by a fraction, multiply by its reciprocal. In this instance, 486 / 2/3 = 486 x 3/2 = 729.
36 = 729
The only prime factor of 729 is 3.
729 243,3 81,3,3 27,3,3,3 9,3,3,3,3 3,3,3,3,3,3
729 243,3 81,3,3 27,3,3,3 9,3,3,3,3 3,3,3,3,3,3
numbers are divisible by 243 are the multiples of 243 like 243, 486, 729, 972,...
81, 162, 243, 324, 405, 486, 567, 648, 729, 810, 891, . . .