Factor Info

ID 101740
Size 500 digits / 1659 bits
Status composite
Value 20512600123390079062680393454850583451543819556336014034903884661004079102865786373530565720455650886472059556527429428652291130765464271848577479193640886067831765066840216671721355732808534655144494640534586786241043226830381405694385277266551947403706920759477381369904049275271086244187047025159894652450995226352800544256763214408711572985113686688844685792308545454522373574224396391952873233561288313856482645283067124857809872049072197662299653761621908360836544568840743687749751222177522553

Factorizations

Primary (ID: 38) 47831560297620361798553 (proven prime)
(ID: 101741) 428850741973612528609059241656457337394236445925568547858349125848203462441132406864638702936918534223779760201635408775003975042203366560640547916978824162950249324648270218104668266079933459018553562303317440954230054684296218379269479690495907100152409106144063158960608956930407369637423270597110892922265146958644202550646972029802814177323631449669231155464734441965669513966055115151371201988361056248293382547276284256313552634940142272737015055936197711923019124108001 (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.