The composite cofactor of 3,725+ was the product of 79-digit and 102-digit prime numbers:

79-digit prime factor:
2280528144156658617679737830655936960322391000155248248994130357349816003404201

102-digit prime factor:
103879769666997780679719495971640707004109253970788744374263896571346417977025352706486081832779285301

This was completed using GNFS. Thanks go to M. Vang for performing the postprocessing. The factors have been reported to the Cunningham project and have been recorded on Page 125.