Phi(217500,10)M listed on Makoto Kamada s site: http://stdkmd.com/nrr/repunit/prpfactors.htm

Listed on Markus Tervooren s site: http://factordb.com/index.php?id=1100000000620219156

PFGW Version 3.6.7.64BIT.20121129.Win_Dev [GWNUM 27.8]
Generic modular reduction using generic reduction type-0 FFT length 10K, Pass1=40, Pass2=256 on A 93014-bit number
gcd(Phi(217500,10),(10^10875+1)^4+10^5438*(10^10875+1)^3-(10^21750+10^10875)*(10^5438-1)+10^32625) is 3-PRP! (92.8079s+41.0055s)

To be completed...