The common factor of the EC RSA moduli is 293872918736928176387216378278316387216387218362181
The prime factors of R1 are: 293872918736928176387216378278316387216387218362181
and 8726438217369120803192298739218739812823
The prime factors of R2 are: 293872918736928176387216378278316387216387218362181
and 2918372891739821738921738216378261419