Factor Info

ID 37508
Size 503 digits / 1669 bits
Status composite
Value 20258090853514041961314474536088434121541996385509297536433561209175438556288712747257058665101526778385845604107302391910753370472128692720804493534826172356525328672504815378721569977596723357756762414627291827387107408398654602166126312193034744682903497001169097945513874252235477095939467137446468362222399419454890992313443755123993401283806106884038909394089861515115162102453646781780697494451362007947604374961854559403204767673807696011528218959747935513960439703807051172445662406971498508741

Factorizations

Primary (ID: 12546) 15779202447007574212358914303778883757 (proven prime)
(ID: 37509) 1283847578579984602634829976582979399040488067519511522706781927547581493927686002419497814198558952349833551573660091520284001918143179997239533053846321127340762217842299954300272778544572737148491158484670998632288489985274821098033232732382475587468776021507492704786522884793179269336735170856078361497699215560193662462477003481548675743097804637804255226202744245579507137231939191882445196242351736353540476621415137329512024417737211792001639331236220270713 (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.