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How many ways can you stack 77 books into equal piles? Show me how you get the answer!
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Find the prime factors first, i guess.
you can stack the books into 1 pile with 77 books, 7 piles with 11 books, or 11 piles with 7 books
thx alot
|dw:1347763444878:dw|
oh k thx
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You missed 77 piles of 1 book each if that would count
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