Factor Info

ID 172761
Size 620 digits / 2058 bits
Status composite
Value 20770178978822840507433486366166306390612385422873272414317545982356899670700057517534302525580997405952902927477002332628105749690584748942357100087414150558129147230424599122843113916704453959903160122213138009100642306369454027393876417019603775658965342317043224954604010662526412427721684869963919349434870655989817385659125825116638343526567584595417537936859906056996031827075263545868844355112492362703365663586928497213921397538166389999326460827808256549705249613273561778001095581802251436561836027287018205573633412469218446698849096801457486434053773184487380710043269592285965601573963938153534094679004051

Factorizations

Primary (ID: 171816) 41403477929025699330486984489391214197665465719891892178357138229971404955562053033178799308613442363767727857094268820194319845848986668704215329911425837482472043366853030714894549880126661729815333988949145841183853580958414000909820648523471489263716767810418703023605886772368570176429657551 (composite)
(ID: 172762) 501653001577000644079302154398956705795939487082174689518186677302895300611186778852011796612797493523233357329262435646744852367066807937853429321883438782451874958361341428040680180618247235308951563419492510733460287405806594664683632801539625720814497087554509071283346498087369202202607151470104186725892075290012021501 (proven prime)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.