Factor Info

ID 77890
Size 683 digits / 2267 bits
Status composite
Value 19871659177294478944124969698870849887243003750980813800409311163265170861154853432398005257485179501310744829422049378794053337630931701364997554742073403789332635406738219364151979783543811611472032882607732277678932514870684478347479379640109133306608373130248502736816939532323182921020952503442548850872463072819850815491561878647535003620088446250539164961854643757478740770650716316988860253446788739583058845263365613049094840178914124531244321004990623093279046040771326991115635712754551999382887350720728772741709626632139376657219743484034954128267928114947605265693227860220991409373384313269962404740797497006574674293643946691779002216676918080885387802290596676775681

Factorizations

Primary (ID: 76005) 31120796007502267272482449140122004255744191738631298984520050737452710284343466737369062910174217774560583587229141001505348482068028243056797 (proven prime)
(ID: 77891) 638533126611029896727421370345612958886883761302394194786877388635869148189801197845581740604630469868698439314444412583346252501760530876541731588550946859430301246508900232425248865871298167743672974775074213268917351851348378047310929870051783015552448551804029154270014525559434203971066209807733603878026070165502115704531506344821043598515757974220159407657886456566856803076674760245440364644680932396126330722701960860654166755223293428828587736969554376218409742232041035474648166420475363054827996953320590806020474799322353723573 (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.