Factor Info

ID 155540
Size 531 digits / 1763 bits
Status composite
Value 349174572302069098830966317865909253443544253886477687463813349040231033287504094879960997442407869604799817570405529105670397721519827794692156106574401006053917235173657573997174347607158758665006201096514694456374607082615176384407428486323340878913298914546586248936355717003255763577994992479002765081006843858724430520197134171562307262951552382585123750803812975469411137794647365457871823593763428809158208240536002189027820206971416851079002477107340323842964195199776284503554136873513607590139379923408176881561319390157

Factorizations

Primary (ID: 154626) 728921581954037396189325850537700569 (proven prime)
(ID: 189501) 479028994265787178610703274434095205475857588494567358623175692019404792698446494826162425304318852793929588160036727683781785786434923307935425779923166583625808895638895223695810966356600588364890564823875002183216594541255913526947024526432816287649274158394458947016263979019725778356068914842607566095281802946239641613352776324670962920920431531733685185327593714510417635410718921527297198846048280722756030502380856473419617868651895325740896523065288821348106877524618620011361906540053 (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.