Known 99-digit prime factors of Googolplex - 1

1. Alpertron
2. Number Theory
3. Known 99-digit prime factors of Googolplex − 1

This is a list of known 99-digit prime factors of googolplex − 1, i.e., 10^{10^100} − 1.

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

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

1. 127360000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000001 (Phil Carmody, k=199)
2. 152031250 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000001 (Phil Carmody, k=973)
3. 224876928 3294677734 3750000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000001 (Dario Alpern, k=4716011)
4. 587315625 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000001 (Dario Alpern, k=187941)