वह सबसे बड़ी संख्या कौन सी है जो 288 और 468 दोनों को बिना कोई शेषफल छोड़े पूर्णतः विभाजित करेगी?

The H.C.F. and the L.C.M. of two numbers are 13 and 455, respectively. If one of the numbers is 65, find the other one.

What is the greatest number which, when divided into 37 and 60, leaves remainders 1 and 4, respectively?