Respuesta :
The factors of 16 are 1, 2, 4, 8, and 16 .
The factors of 21 are 1, 3, 7, and 21 .
The common factors of 16 and 21 are 1 .
The greatest common factor of 16 and 21 is 1 .
The factors of 21 are 1, 3, 7, and 21 .
The common factors of 16 and 21 are 1 .
The greatest common factor of 16 and 21 is 1 .
16 has the factors 1,2,4,8,16 and 21 has the factors 1,3,7,21
compare which numbers from 16 and 21 are similar and the greatest value... in this case 1
So, the greatest common factor of 16 and 21 in 1
compare which numbers from 16 and 21 are similar and the greatest value... in this case 1
So, the greatest common factor of 16 and 21 in 1