Factor Info

ID 155472
Size 571 digits / 1895 bits
Status composite
Value 2728225535778464722863966735830094665685652880885729688514534966175185657326129492719400552279775312722824788375047291686289308207494685906749703856498364730686008603913077513860339196505572820538258307088255339393137480016702274861807591135681573831314162243840497850203322411283330125504035835121161893570923323048983247610377119460366586845344106596397509293566372961103026242197526885862846915090061175039174953100135718389306289639669287154113002902859612096663622502573048680000041267292475377121576024070862635107348038675209145003098345890978858238321669872549783

Factorizations

Primary (ID: 155947) 51593443404264110239768071673 (proven prime)
(ID: 189435) 52879307054604956415461614861749369583928122521804022668241618960968158119095465608857098711351241221922579017669029225830110018007957241068663999776333041219903924977998200290512488886642293315728373742615122052405313544215705800516929210409908943299726376630956878211680011340205725185571276980133030873224738094327027727885778548720695403656329910549116370015772277449519078299065080989230668554329085959642811421745105560787461864168894807836236848188645523269290814135628190664906435371679798266115472289846673104306394369060520171757071 (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.