# Known 76-digit prime factors of Googolplex - 1

1. Alpertron
2. Number Theory
3. Known 76-digit prime factors of Googolplex − 1

This is a list of known 76-digit prime factors of googolplex − 1, i.e., 1010^100 − 1.

These numbers have the form 1 + 2k × 2m × 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. 213938 5789632797 2412109375 0000000000 0000000000 0000000000 0000000000 0000000001 (Dario Alpern, k=574287)
2. 228336 6400000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000001 (Dario Alpern, k=44597)
3. 238906 6139585338 5329246520 9960937500 0000000000 0000000000 0000000000 0000000001 (Dario Alpern, k=1313403)
4. 246315 0634791824 0285022051 2391388183 4596395492 5537109375 0000000000 0000000001 (Dario Alpern, k=116319)
5. 246595 2775310142 8970694541 9311523437 5000000000 0000000000 0000000000 0000000001 (Dario Alpern, k=86763)
6. 267528 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000001 (Dario Alpern, k=33441)
7. 391873 2811001414 7083744162 3324172434 9944945515 7446209341 2876129150 3906250001 (Dario Alpern, k=155237)
8. 531971 4546203613 2812500000 0000000000 0000000000 0000000000 0000000000 0000000001 (Phil Carmody, k=357)
9. 545696 8210637569 4274902343 7500000000 0000000000 0000000000 0000000000 0000000001 (Phil Carmody, k=3)
10. 682796 7208488960 0000000000 0000000000 0000000000 0000000000 0000000000 0000000001 (Phil Carmody, k=621)
11. 961897 2285352356 2662303447 7233886718 7500000000 0000000000 0000000000 0000000001 (Phil Carmody, k=1083)
12. 971445 1465470119 7287067770 9579467773 4375000000 0000000000 0000000000 0000000001 (Phil Carmody, k=7)