openssl rsa -in private.key -text -noout

  prime1:
    00:f7:5b:73:5c:13:9b:7b:70:58:36:22:d6:25:e6:
    44:15:f3:f7:b3:18:c5:11:65:77:f2:85:af:cc:79:
    fa:d2:bd
  prime2:
    00:d4:81:b4:f5:af:a8:56:0e:a3:34:c0:e3:e8:60:
    fb:b2:96:83:e2:af:6d:d7:09:3f:37:2a:bf:31:32:
    cf:92:63