What is YAFU?

YAFU's goal is to factorize numbers up to 149 digit length which are needed to bring Aliquot Sequences to a size of at least 155. You can participate by downloading and running a free program on your computer.
The project runs without any funding and I'm happy about each donation.
Join YAFU
The invitation code for creating new accounts is yafu

User of the Day

User profile Profile [AF>Libristes>Jip] Elgrande71
Je suis un farouche partisan de l'informatique libre et du partage des connaissances. C'est au sein de la MT Libristes que j'ai pu m'épanouir. La MT...

News

Aliquot sequence 3102312 has terminated!!!


30 May 2025, 15:41:30 UTC · Discuss


Aliquot sequence 3234210 has terminated!!!


11 May 2025, 15:51:06 UTC · Discuss


Aliquot sequence 3320088 has terminated!!!


10 May 2025, 7:32:18 UTC · Discuss


Aliquot sequence 3612120 has terminated!!!


7 May 2025, 20:21:59 UTC · Discuss


Aliquot sequence 3786600 has terminated!!!


2 May 2025, 18:48:28 UTC · Discuss


... more

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