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This chart arranges the composites on (x; y) plane and shows their distribution by x and by y:
Blinking squares mark reserved composites. The color depends on the decimal length of the composite; that's shown on this chart representing the distribution of the composites by their decimal length:
You see, there's a lot of work to do. It would be fine if you choose some of these squares and cause me to add a few lines to the table below.
Reserved composites
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To choose the most efficient method of factorization and to avoid wasting CPU time, please take into account that all the composites passed P±1 tests with B1 up to 8G and ECM tests up to B1 = 43M, and now are being tested with ECM at B1 = 110M by yoyo@home.
Numbers with 300 or more decimal digits survived deeper ECM tests; this table shows the amount of that additional work.
Additional ECM work done on C300+
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