Factor Info

ID 156190
Size 654 digits / 2173 bits
Status composite
Value 741365478638299567753916280047036791999062587776352040143312166558210979276379736130261962225400077951897165284408733007482589970580460148848539449009084719681548845115740351590638650284815424522099940225855416493692931502912804552058853117804546109031946922640642055411147826590945290752102857986503195386533295879103417632636132325839190894784252230032717449928487525241867947083563106467500257406911249709053664738564571752187462599686904146299918466436211773492400303799894766350627512376450436134249631394454404769478302213855153899522096790331955426062749338349368208856201331079779638885614359181797284080706100106219248768147842242936254408137391

Factorizations

Primary (ID: 154592) 650141690025315305584300036801 (proven prime)
(ID: 190142) 1140313703939570738613487478480860499986757013175720672023771304898022784693983046741798614827286950379176330046647876400652362720457393156897623106997573467139218360427083862085018174834527640893527717502836861822558741189187181572094065380410077470012565030257230985507557705806660613159699862296810179953083290530630958169982298269255742533641432058521616830083554884417037892506884094992205052900623473819293536753037931525815432844985316433159703952457805365514062611812986427733811559803467442044394186775448139123467083077870820468130068223234469429376691329763793700286879158798963376379508458965684861576423127988591 (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.