There are four possible answers for each questions which are represented by (A), (B), (C ) and (D). Only one answer is correct out of these answer. Choose correct answer and write down the answer in English alphabet in the given box.
A number
- is less than 50
- is multiple of 7
- has total 3 factors.
What is this number ?

Options

A. 14
B. 42
C. 49
D. 70