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Old 2021-07-01, 22:56   #23
James Heinrich
 
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"James Heinrich"
May 2004
ex-Northern Ontario

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Quote:
Originally Posted by kriesel View Post
That's more computer cycles (and James cycles) than I anticipated but would do the job.
The James cycles were not that many, and the computer cycles were considerably fewer than I expected.
I first ran it through GIMPS range (<1000M):
Quote:
Examined 43,381,507 square factors in 5.4 minutes
Found 0 cases where any known factors is a square factor.
Since it ran quickly I then ran it in the rest of the 1G-10G range:
Quote:
Examined 242,435,609 square factors in 28.1 minutes
Still no examples found.
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