- Alpertron
- Number Theory
- Known 2-digit prime factors of googolduplex − 1

This is a list of known
2-digit prime factors of googolduplex − 1, i.e., 10^{10^(10^100)} − 1.

These numbers have the form 1 + 2`k` × 2^{m} × 5^{n},
where 0 ≤ `m` ≤ 10^{100} and 0 ≤ `m` ≤ 10^{100}.

In the list you can see the prime factors, their discoverer and their corresponding value of `k`.

- 11 (k=1)
- 17 (k=1)
- 41 (k=1)
- 73 (k=9)