Factor Info

ID 51513
Size 602 digits / 1997 bits
Status composite
Value 13215367203124127063576660221964723190869905811034954369792677753478151479808718728109715396591349459382933328921363058820851832337885536421909304695862521898538947971268067389506799856905126259919659356695471661269240904998925112310661713716457084733467681248332969748117950989295824552503165714146964144257620841912620038375691177156376909171333523290672616205612337174735893407674113264919798968353583924948151098677901882858153396009095064103671991821049975211237462106810165976766672518742222306745057224189114318995552341239233033633683772050646300247771753852347243802073835192788389213824718413

Factorizations

Primary (ID: 73437) 21429533887755119730119595614924016204166409187192755551700121403671529935823 (proven prime)
(ID: 74634) 616689437686529215259697407705144192159038334038819633151709800474760178674991122416779658608232602679815234636273144106733862750252625684353064691201486684504661104310009325666133062317829809984719812105702568055053958913358253983320334877321840169546633387203406206814590633661123070906609370851393095738451906670233407536928612890473058953275923557601336442092726715753726548273716079437581269140391824178163122358290633494763171955878739426668965590706908266076390459755338425234987274916266923351769611695753486432407331 (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.