Factor Info

ID 187008
Size 300 digits / 994 bits
Status composite
Value 153180992354426358141322763891678048035286820355928722671264265434805245773963297992187857581622842221958711740537128447233682922094047594150078834154849210737266678363144225044985394530973768472826861753278534274155890995982225745751611333417231066871079583252635481845234022735382915247682988734061

Factorizations

Primary (ID: 152199) 691738099321652989212016939881901 (proven prime)
(ID: 187009) 221443625130149661131018333016669244346317073201112545438836370970518169937909468425500698960013605436494886804611059144191381785368023572854534242284263534845976331675855485886853059413249367523132048316482445758596846213064794304499581609144110080002628946986548161 (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.