The composite cofactor of 2,887- was the product of 73-digit and 137-digit prime numbers:

73-digit prime factor:
1958905756610480165414360798708208617177953881053051177851547528988145879

137-digit prime factor:
97853618193590764039357438780135486646634997963287657405740642002125552181091798545181378742830703\
728162960049050292146447124474109917503

The factors will be reported to the Cunningham project and will be recorded on Page 115.