Factor Info

ID 151216
Size 825 digits / 2740 bits
Status composite
Value 520250067544645921341831574571799714007079477424508038081960830351807369509261051526962865725503305358531140452621709988913417472090935708510717821059195474169464864760452656894753193882532402287841077505874494961230575577879926715039685121115728876186540479150559744124370139522317340688682221506671748917124435513397954985777376111063754679307645520538784705732561480159619215912984492197614526336545524612115907363549565907361180459898953272525766439327538119971028045054702500667539473625119299430503365248327303714987753880387943464316724410804110254081563061251011944174904662329412688737628848002628679807361057619993978109603332650465524539701746992116470110745025950547294541396982036866670042157558765207124274019541115661571637507025122376877113044413134197268180260525824913629846100039524724029773942607700603421

Factorizations

Primary (ID: 149666) 1385702521378303805293 (proven prime)
(ID: 151217) 375441380468279467354901669974562486142624291584114601932280010227837285538483368675437957699718790435393278031639823104969967460053004001058810543928348127986857888676231488297998880104837902641824253531494673693335185104804960990155718537482114778394341831146158973367104476991005976537361079136322489879846821537128039941215327498658353281200364592624966655136477759849764793138421560945064250011154310014076328717169645936655382802344433870902423669839995432738397894856703046762305917813100411792088070179007127039845027485987445016247824756273897214082745736302487223055216346934185784914977354898428960843581829801283356790361189479082484613494505316416593580836827802861510115026695781025905262039420174488878858176721324088592816187777546057749849279652710887778160298357553891425912506513930097 (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.