PURPOSE: A service for offering a lucky number of lotto is provided to minimize a number of an overlapped winner by collecting a member on cyber space and offering only the 8145060 lucky numbers for every time in order to increase the first prize money. CONSTITUTION: To prevent the overlapped winner, only the 8145060 lucky numbers are issued for every time and additional issuance is prohibited. The members wanting to use the same number for the next time are received the same number for the next time. The members pay a constant commission whenever receives the lucky number.
