The composite cofactor of 5,383- was the product of 88-digit and 96-digit prime numbers:

88-digit prime factor:
1354492180007289973988827240992403128157841807978803698384041173092322450899036561238231

96-digit prime factor:
141859121673416005487576520457022813549276133442472424132316715183883619940396780389749463541861

The factors will be reported to the Cunningham project and will be recorded on Page 116.