Its factors are: 1 3 9 33 and 99
Just 1.
There cannot be common factors of just one number. To be common there need to be at least two numbers.
The common factors of 55 and 99 are: 1 and 11
The common factors of 81 and 99 are: 1, 3, 9
The common factors of 36 and 99 are: 1, 3, 9
The common factors of 72 and 99 are 1, 3, and 9
The factors of 99 are 1, 3, 9, 11, 33 and 99. For them to be common, they need to be compared to another set of factors.
All the common factors of 99 and 11 are: 1 and 11 .
The common factors of 66 and 99 are: 1, 3, 11, and 33
Factors of 55 are: 1, 5, 11, and 55 Factors of 99 are: 1, 3, 9, 11, 33, and 99 "Common" factors are numbers that are factors of both. Common factors of 55 and 99 are: 1 and 11 .
99 factors to [3 3 11] 121 factors to [11 11] Common factors [11] Answer is 11. ■
99 and 148 have no prime factors in common. The only common factor of 99 and 148 is 1, and 1 is not a prime number.