The factors of 121 are: 1, 11, 121
The prime factors of 88 are 2 and 11
77 has four factors: 1, 7, 11, 77.
The factors of11 are 1, 11 The factors of 33 are 1, 3, 11, 33 The common factors of 11 and 33 are 1, 11.
The factors are 1 & 11 !
Two factors.
2
1 and 11 (11 is a prime number).
85 ----------------- Only two - they are 1 and 11.
Three factors: 1 11 121.
The factors of 121 are: 1, 11, 121
The prime factors of 88 are 2 and 11
Four. The factors of 77 are: 1 7 11 77
Four factors: 1 2 11 22.
77 has four factors: 1, 7, 11, 77.
There are many 4 digit numbers having 3 and 11 as factors. One of them is 1089 whose factors are 3,3,11,11.
99 factors to [3 3 11] 121 factors to [11 11] Common factors [11] Answer is 11. ■