Factor Info

ID 21539
Size 428 digits / 1422 bits
Status composite
Value 73208854105203627495982801231350396058636658341369357032758897132885142560217961286562528803043247093147969158735740456744601903167631573868012906351975996484099946720693178493464815712231568083347967933552774143773906278457128044130736654174801956699081810960317121825901661239883769988962197725298160525480209775165291980338528450484595508424542337586784982357596639900482125385280777117220624935144520092391321557205569814793

Factorizations

Primary (ID: 21540) 288243041871591634870747489 (proven prime)
(ID: 21541) 253983074942073290080649552361237831733265030016228473152662280725419218723127905446973829727297446157991126571924511066467093064390926315430195719329986852964843799859204274066974087099619251139690133524483363418115272196727913480594852287726740573117517149282223273045082090574247194609119714670312558710423081431671345230246391363896580956739422559258786191999339658557786890648993396948566238599337 (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.