It has two factors: 1 and 11.
Two factors.
3 numbers are factors of 121. They are 1, 11 and 121 itself.
11 is a prime number, so the factors are 1 and 11
The general factors or divisors of 187 are 187, 17, 11 and 1. The prime factors are 11 and 17.
2
The factors of 11 are 1, 11. 11 is prime because its only factors are 1 and 11 (itself.)
85 ----------------- Only two - they are 1 and 11.
Factors of 363 = 1, 3, 11, 33, 121, 363.
Three factors: 1 11 121.
The factors of 121 are: 1, 11, 121
The prime factors of 88 are 2 and 11