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Part of 2004 May Olympiad
Problems(2)
5 positive integers whose product = sum
Source: X May Olympiad (Olimpiada de Mayo) 2004 L2 P1
9/19/2022
Julián writes five positive integers, not necessarily different, such that their product is equal to their sum. What could be the numbers that Julian writes?
number theory
product of 4 digts equals a no with last digit 7
Source: X May Olympiad (Olimpiada de Mayo) 2004 L1 P1
9/22/2022
Javier multiplies four digits, not necessarily different, and obtains a number ending in . Determine how much the sum of the four digits that Javier multiplies can be worth. Give all the possibilities.
number theoryDigits