eng Ansari Education and Research Society Journal of Ultra Scientist of Physical Sciences August 2009 21 2 465 468 jusps-A 1211 article On 4 - inverses of GM matrix Krishnamoorthy S. 1 Gunasekaran K. 2 Muthugobal BKN 3 Reader in Mathematics Government Arts College (Autonomous) Kumbakonam - 612 001 (INDIA) Lecturer in Mathematics Ramanujan Research Centre <p style="text-align: justify;">We initiate to fine the 4 - inverse of GM matrix on a set of two distinct positive integers. The eigen value and eigen vectors are determined for the GM matrix.</p> <p style="text-align: justify;">&nbsp;</p> <p>&nbsp;</p> https://www.ultrascientist.org/paper/1211/ Matrix - GM matrix Positive in integers LCM generalized inverse.