If you want to know your own isme azam So the easy method  is  First you  find your name’s adad To find the adad in urdu see picture given below After foud your adad then your adad match to asmaul husna( allah’s 99 names)And which name will 
matched it is your isme azamIf you not found your ime azam in any allah’s name
Then you take two name of allah and match It is your isme azam
For example my name’s adad is 187 i not found in allah’s name so i take two names from asmaul husna the two names are ya allahu and ya subhanu(ya allahu adad is 66 and ya subhanu adad is 121 so 121+66=187 )So this type  i found my isme  azam
So this  type you also found it with picture given below Method of read your isme azam is Multiple ×2 of your isme azam’s adad For example  my adad is 187 and multiple ×2 is 384 So i read this after every namaz 384 time