olymmath

HMMT November 2013 U18

  • Guts
  • Answer

The rightmost nonzero digit in the decimal expansion of 101 ! is the same as the rightmost nonzero digit of n!n!, where nn is an integer greater than 101. Find the smallest possible value of nn.

Dataset text NuminaMath olympiads. Quoted with source.

Show the answer

103

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.

Add a solution

Similar problems

These problems have the most words in common with this statement.

Locator hmnt/2013/u18 · Tag RGRR3JEW8P · Edit this page on GitHub · Keys: j next, k previous