---

My current Erdős number is 4 based on the path:

1. Paul Erdős
2. Carl Pomerance
3. Peter Landrock
4. Bart Preneel
5. Diomidis Spinellis

or on the path:

1. Paul Erdős
2. Nicholas C. Wormald
3. Doreen A. Thomas
4. James MacGregor Smith
5. Diomidis Spinellis

An earlier Erdős number was 5 based on the path:

1. Paul Erdős
2. Shaharon Shelah
3. Dov M. Gabbay
4. Krysia Broda
5. Susan Eisenbach or Sophia Drossopoulou
6. Diomidis Spinellis

Diomidis Spinellis home page