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ScienceSurprise 5/5Difficulty 3/5Reviewed on June 23, 2025

If you shuffle a deck of cards properly, the exact order has likely never existed before.

Why it is true

There are 52! (52 factorial) ways to arrange a deck, which is a number so astronomically large (8 followed by 67 zeros) that any properly shuffled deck is essentially unique in history.

Source: Mathematics

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