They each contain only odd integers.
The common factors of 33 and 77 are 1 and 11
Greatest common factor of 33 and 77 is 11.
The GCF of 33, 77, and 132 is 11.
Greatest common factor of 77 33 and 143 is 11.
The factors of 33 include 1,3,11,33The factors of 55 include 1,5,11,55The factors of 77 include 1,7,11,77Therefore the greatest common factor of 33, 55 and 77 is 11.
13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 156, 169, 182, 195, . . .11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132, 143, 154, 165, . . .
The GCF is 11.
It is: 11
It is: 1
It is: 11
5775
They are palindromic.