The Largest Prime Number

Episode three of Another Five Numbers, the BBC radio series presented by Simon Singh.

Think of a number. Any number. Chances are you haven’t plumped for 2 to the power of 13,466,917 -1. To get this, you would need to keep multiplying 2 by itself 13,466,917 times, and then subtract 1 from the result. When written down it’s 4,053,900 digits long and fills 2 telephone directories. So, as you can imagine, it’s not the kind of number you’re likely to stumble over often. Unless you’re Bill Gates checking your bank statement at the end of the month.

Also huffduffed as…

  1. The Largest Prime Number

    —Huffduffed by michele on

  2. The Largest Prime Number

    —Huffduffed by boxman on

  3. The Largest Prime Number

    —Huffduffed by chrispederick on

  4. The Largest Prime Number

    —Huffduffed by kfeighery on

  5. The Largest Prime Number

    —Huffduffed by Dbannon on

  6. Another Five Numbers, 3: The Largest Prime Number

    —Huffduffed by liqweed on

  7. The Largest Prime Number

    —Huffduffed by srushe on

  8. The Largest Prime Number

    —Huffduffed by tayles on

  9. The Largest Prime Number

    —Huffduffed by ninthart on

  10. The Largest Prime Number

    —Huffduffed by robby on

  11. The Largest Prime Number

    —Huffduffed by Torvald on

  12. The Largest Prime Number

    —Huffduffed by jonny on

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