The are 1 and 11
The GCF is 11.
You need at least two numbers to find common factors. If that's 55 and 66, the common factors are 1 and 11.
gcf(55, 66) = 11.
The GCF of 55 and 66 is 11
The Least Common Multiple (LCM) of 55 and 66 is 330.
The least common multiple of 66 , 55 = 330
A common denominator, though not the least one, is 66*55 = 3630.
Common factors of 55 and 78 are: 1.
330
The factors of 23 are: 1, 23 The factors of 29 are: 1, 29 The factors of 55 are: 1, 5, 11, 55 The factors of 66 are: 1, 2, 3, 6, 11, 22, 33, 66 The factors of 102 are: 1, 2, 3, 6, 17, 34, 51, 102
The common factors of 55 and 99 are: 1 and 11
The common factors of 55 and 80 are 1 and 5