The composite cofactor of 5,427- was the product of 70-digit and 135-digit prime numbers:

70-digit prime factor:
7542716440988220524637259849798856565032358594793351250565694550807389

135-digit prime factor:
55714331643499054942612416617225231598863511196274870127251705160925916167862714801936081294163\
3602572608697939823077603694320020152539

The factors will be reported to the Cunningham project and will be recorded on Page 117.