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Search: Posts Made By: Dr Sardonicus
Forum: mersenne.ca 2021-12-29, 16:41
Replies: 13
Views: 1,461
Posted By Dr Sardonicus
Boom! :tu: So the error is using number of...

Boom! :tu:

So the error is using number of decimal digits instead of base ten log (apparently only on the largest factor) before converting to base two log.

The error incurred thereby in the...
Forum: mersenne.ca 2021-12-29, 15:11
Replies: 13
Views: 1,461
Posted By Dr Sardonicus
I tried to reproduce the error by adding an extra...

I tried to reproduce the error by adding an extra digit, or mistyping one of the leading digits, without success.

Perhaps they simply input the wrong number entirely for the last bitsize...
Forum: mersenne.ca 2021-12-29, 14:18
Replies: 13
Views: 1,461
Posted By Dr Sardonicus
Yes, I know that. And that's what made it hard...

Yes, I know that. And that's what made it hard for me to understand the error. It's way too big to attribute to rounding. It's almost as big as the sum (2003) of the number of bits of the factors....
Forum: mersenne.ca 2021-12-29, 02:39
Replies: 13
Views: 1,461
Posted By Dr Sardonicus
I'm stumped on what they did to get that result. ...

I'm stumped on what they did to get that result.

Of course, the sum of the number of bits in the factors can exceed the number of bits in the product, but the number of bits in a positive integer...
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