M3321935797 has 0 factors in [2^72, 2^73-1].

Luigi

no factor for M3321929411 from 2^80 to 2^81 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929929 from 2^79 to 2^80 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929929 from 2^80 to 2^81 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929971 from 2^79 to 2^80 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929971 from 2^80 to 2^81 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929987 from 2^79 to 2^80 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929987 from 2^80 to 2^81 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321930011 from 2^79 to 2^80 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321930011 from 2^80 to 2^81 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321930011 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321930011 from 2^82 to 2^83 [mfaktc 0.17-Win barrett92_mul32]
(continuing to 84 on the last one)

no factor for M3321931829 from 2^79 to 2^80 [mfaktc 0.17 barrett92_mul32]

no factor for M3321929209 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929411 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929617 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929621 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

no factor for M3321931601 from 2^79 to 2^80 [mfaktc 0.17 barrett92_mul32]
(slowly, slowly...)

no factor for M3321929573 from 2^80 to 2^81 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929573 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

no factor for M3321929701 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

no factor for M3321929789 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

no factor for M3321929909 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

no factor for M3321931531 from 2^79 to 2^80 [mfaktc 0.17 barrett92_mul32]

no factor for M3321933253 from 2^80 to 2^81 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321933289 from 2^80 to 2^81 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321933313 from 2^80 to 2^81 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321933337 from 2^80 to 2^81 [mfaktc 0.17-Win barrett92_mul32]

no factor for M3321931513 from 2^79 to 2^80 [mfaktc 0.17 barrett92_mul32]
It's all ckdo's fault; he has me working on TF just ahead of the DC ranges and finding factors!

no factor for M3321929927 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929929 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929971 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]
no factor for M3321929987 from 2^81 to 2^82 [mfaktc 0.17-Win barrett92_mul32]

no factor for M3321931433 from 2^79 to 2^80 [mfaktc 0.17 barrett92_mul32]
no factor for M3321931429 from 2^79 to 2^80 [mfaktc 0.17 barrett92_mul32]