Posted by .... on Wednesday, May 25, 2011 at 2:16am.
find the H C F of three Numbers 198 126 and 240 by using fundamental theorem of arithmetic

maths..  drwls, Wednesday, May 25, 2011 at 4:51am
Use one of the methods described here:
http://easycalculation.com/whatishcf.php
198 = 99*2 = 2*3^2*11
126 = 2*3^2*7
240 = 15*16 = 2^4*3*5
The HCF is 2*3 = 6