[QUOTE=birtwistlecaleb;590361]Submitting a no factor result for 9999999967 from 63 to 75 to mersenne.ca (and 1 to 63)[/QUOTE]No-factor results are not accepted for exponents above 2[sup]32[/sup]. Factors are accepted since there's no reason not to accept them and they're easily validated, but users are [i]strongly[/i] discouraged from doing TF work above mfakt[i]x[/i] range.

[URL]https://www.mersenne.ca/bulk-factors.php[/URL]
And mfaktx range is p<2[SUP]32[/SUP], f<95 bits.