Known 400-digit prime factors of googolduplex − 1

1. Alpertron
2. Number Theory
3. Known 400-digit prime factors of googolduplex − 1

This is a list of known 400-digit prime factors of googolduplex − 1, i.e., 10^{10^(10^100)} − 1.

These numbers have the form 1 + 2k × 2^m × 5ⁿ, where 0 ≤ m ≤ 10¹⁰⁰ and 0 ≤ m ≤ 10¹⁰⁰.

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

1. 3974602370 5334856810 1414456535 0818807326 3011481730 4812696622 1182886378 0658612290 1016873581 7245761305 4867903929 6322704621 6487924874 2145826123 5658228983 0032208478 5886959246 3266906279 0352896162 7779424396 4349177953 1866868540 3519030645 7538423864 9215559076 3695533769 6989876512 7385718011 7854223656 3566070769 2383571459 8659726521 0783901773 0016581797 1691670348 8015227829 7771317738 8068288564 6820068359 3750000001 (Phil Carmody, k=3)