We have components of an RSA cryptosystem. Decrypt the cipher to get the flag

I happen to get this text, but it seems to be encrypted. Decrypt it and find the hidden flag.

I tried to log in lectures.yasar.edu.tr but I forgot my id.. But I have this file I think it has my id in it. Can you help me?

What is this file ? Can you find hidden flag ?

indir.png

Who took this photo ? Can you find photographer’s mobile number ? Show me, How stalker are you!

Can you find location ? We are looking for city name ?