Factor Info

ID 168882
Size 533 digits / 1769 bits
Status composite
Value 19587970981122050821304022950357488917908956001666603666452389756326299500353160166877713502572143745211295237427779178435921675324299238077371989608805194545182740241840753127922850982198070604601285598383230600044453261639114929466541858379073704341635090699032966874375260560995438662247358779985971528127018877553055067471491584602046026578480611256105933829077946040630380028875307132265475241090659941948001774547010674263043092265422473049196535535988356381276294576987493195330350337877573568718579642161079772872065216151841

Factorizations

Primary (ID: 167741) 5409410795213092497224719423678323088390021822753211482321 (proven prime)
(ID: 168883) 3621091413219325194433145016962156653103932396977546939873041673392250985070023961661374262456288790611988783500718824330423654016703547709288476042448569409930111924182962842318838576245405684447616215517651831619312640904940967204343354478876200856235827664116184526286786255180755978265622732647638845211703487038175488895085506843532271142703025539126322951799825918900369618283496288371462104496128403284164019653472028651472802610844639814747467542645327569765942071121 (composite)

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.