6,700,417

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Number

$6 \, 700 \, 417$ is:

The $457 \, 523$rd prime number


One of the two prime factors of the $6$th Fermat number $2^{\paren {2^5} } + 1$, the other being $641$:
$6 \, 700 \, 417 = 52 \, 347 \times 2^7 + 1$


Also see


Sources

  • 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $257$
  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $257$
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