Factor Info

ID 157397
Size 576 digits / 1911 bits
Status composite
Value 171268612214085924929706882504137920837233587684326771716333240588772186431829984790075532337140036645980307218093058260225004498480195969227860328783076233047173898392093408328223260572355037027249497962756009292624774428717547639181228091058197728301309331938583796346248963633536262431801235687371912712689622266727553632472506839976295809242328036502416851758650149563450262695327980916982446022434706976338759331341216894850575746833122796339359064003930373300817869966771621864060489988373701510513216835168339155751389544172871861942107154621671883640371969165928742733

Factorizations

Primary (ID: 191241) 7866820287217429790532545104013632296537532272087818471 (proven prime)
(ID: 191483) 21771008610985479232384309584060070289421924137771631729406969060819039238700961087060931628425247123598576055458008058750460066346710096569266969265990233226209597648047026914851252960538263844125597332095265710566837816878661074394882639398149512257097978928445628329588146507485194312240391203413772840633146099604072265935670615297137610088988245453488330085760450453505730314550756268248894717997698683425367884226224567034430635162394417671471176228197624021699884959440899474143779210667261299465985756070604714923 (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.