187,829, it is 31*73*83
How about use 24(nCr)2 =276+ 24squares(31^2, 37^2, 41^2, 43^2, 47^2,.....and so on to 139^2
10001 to 19321, having prime factors between 30 & 140 only
10001 is 73 x 137 and 19321 is square of 139
I know that
