WHILE STUDYING ANY TOPIC MAKE SURE THAT AVOID MULTIPLE SOURCES.
INSTEAD PICK UP ONE STANDARD SOURCE AND THE CONTENT OF
WHICH YOU CAN COMPREHEND.
READ IT MULTIPLE TIMES...FRAME A PICTURE IN MIND....ANALYSE...
WE WILL LEARN HOW TO FIND THE NUMBER OF PRIME FACTORS IN A GIVEN NUMBER.
72=2^3*3^2.so total no of factors will be (3+1)(2+1)=12.
Total no of factors =1+ no of prime factors + no of composite factors.
So...