Factor Info

ID 21499
Size 387 digits / 1285 bits
Status composite
Value 580339966170748833207268438414915393971526973898760769700670049875251098266552373926398767008451473227436295074668694198033904037425536938450307994185167561523162034142401223306102821716759676812757344831278126642072113798048390071589263408734894733747183211346275193929879649110074411569999180211054796038719785534804016474151779102277410657902453330133267218623111429501005519365576501

Factorizations

Primary (ID: 21500) 21618698221031733473930251 (proven prime)
(ID: 21501) 26844352987274948678399070811317724767257692725074763956670634054411929305844441781161911711219395071926439333999704199506048709985828073004793463328617013518524786477320852766621946092886297632278163712956557873340649054729235088607767729518785712018740473069512245459017442442157695777349066686021456942233384882206633604191061444500299628183598528690639458751 (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.