The composite cofactor of 6,377- was the product of 64-digit, 77-digit, and 109-digit prime numbers:

64-digit prime factor:
4163738647660343644736593693349157640855934319038312150518137743

77-digit prime factor:
10225045916601248647752444357593002700492832183893285320674260124721671052319

109-digit prime factor:
3180086558308793081180085210976696863166710882711790023757500947744933108800529269662639263040161216121494069

The factors will be reported to the Cunningham project and will be recorded on Page 120.