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Smoothness is calculated here as the ratio between B2 and the bitsize of the factor.

Exponents in range: M - M Show

Exponent	Factor	Bits	min B1	min B2	Ratio ↑	k	k (factored)
M 779510201	19101492130200481	54.08	16	17	0.314	12252240	24 × 32 × 5 × 7 × 11 × 13 × 17
M 679366967	16647534255512161	53.89	16	17	0.315	12252240	24 × 32 × 5 × 7 × 11 × 13 × 17
M 746531803	20445535240210081	54.18	16	19	0.351	13693680	24 × 32 × 5 × 7 × 11 × 13 × 19
M 553924633	16118691670391311	53.84	17	19	0.353	14549535	32 × 5 × 7 × 11 × 13 × 17 × 19
M 509194109	10776054561002641	53.26	17	19	0.357	10581480	23 × 32 × 5 × 7 × 13 × 17 × 19
M 316416389	7015179163930081	52.64	17	19	0.361	11085360	24 × 3 × 5 × 11 × 13 × 17 × 19
M 88781947	1968359687991841	50.81	17	19	0.374	11085360	24 × 3 × 5 × 11 × 13 × 17 × 19
M 692149663	176472748329374641	57.29	19	23	0.401	127481640	23 × 3 × 5 × 11 × 13 × 17 × 19 × 23
M 583961857	122614330963444321	56.77	19	23	0.405	104984880	24 × 3 × 5 × 7 × 11 × 13 × 19 × 23
M 547049813	112654996444738441	56.64	19	23	0.406	102965940	22 × 32 × 5 × 7 × 11 × 17 × 19 × 23
M 866437097	40693881819831241	55.18	17	23	0.417	23483460	22 × 3 × 5 × 7 × 11 × 13 × 17 × 23
M 946796743	28399812128070241	54.66	19	23	0.421	14997840	24 × 3 × 5 × 11 × 13 × 19 × 23
M 151262809	24919867705160737	54.47	19	23	0.422	82372752	24 × 32 × 7 × 11 × 17 × 19 × 23
M 789876793	24877536098366953	54.47	19	23	0.422	15747732	22 × 32 × 7 × 11 × 13 × 19 × 23
M 458019511	21511765731576121	54.26	17	23	0.424	23483460	22 × 3 × 5 × 7 × 11 × 13 × 17 × 23
M 805356899	17457753713898961	53.95	17	23	0.426	10838520	23 × 32 × 5 × 7 × 11 × 17 × 23
M 736711351	15468710555874577	53.78	19	23	0.428	10498488	23 × 3 × 7 × 11 × 13 × 19 × 23
M 445573307	13365274333313761	53.57	19	23	0.429	14997840	24 × 3 × 5 × 11 × 13 × 19 × 23
M 217365781	8138644350726961	52.85	19	23	0.435	18721080	23 × 32 × 5 × 7 × 17 × 19 × 23
M 188826623	7601661339695281	52.76	17	23	0.436	20128680	23 × 32 × 5 × 11 × 13 × 17 × 23
M 219523441	7123507561449553	52.66	19	23	0.437	16224936	23 × 3 × 7 × 13 × 17 × 19 × 23
M 991524661	141947860298353201	56.98	25	25	0.439	71580600	23 × 32 × 52 × 7 × 13 × 19 × 23
M 97706809	5128868809023961	52.19	19	23	0.441	26246220	22 × 3 × 5 × 7 × 11 × 13 × 19 × 23
M 807150629	79151450701501201	56.14	25	25	0.445	49031400	23 × 3 × 52 × 11 × 17 × 19 × 23
M 40240391	3013374316569121	51.42	19	23	0.447	37442160	24 × 32 × 5 × 7 × 17 × 19 × 23
M 67112609	2909605419594721	51.37	17	23	0.448	21677040	24 × 32 × 5 × 7 × 11 × 17 × 23
M 473669857	51338802184916401	55.51	25	25	0.450	54192600	23 × 32 × 52 × 7 × 11 × 17 × 23
M 835939931	44227408305389401	55.30	25	25	0.452	26453700	22 × 32 × 52 × 7 × 13 × 17 × 19
M 526327511	43623497828710801	55.28	25	25	0.452	41441400	23 × 32 × 52 × 7 × 11 × 13 × 23
M 954256003	43557587810536801	55.27	25	25	0.452	22822800	24 × 3 × 52 × 7 × 11 × 13 × 19
M 60257383	1654522155342673	50.56	19	23	0.455	13728792	23 × 3 × 7 × 11 × 17 × 19 × 23
M 669766369	28597148610466801	54.67	25	25	0.457	21348600	23 × 3 × 52 × 7 × 13 × 17 × 23
M 891742771	24963090434265601	54.47	25	25	0.459	13996800	28 × 37 × 52
M 608818643	24864640435034401	54.46	25	25	0.459	20420400	24 × 3 × 52 × 7 × 11 × 13 × 17
M 799646143	22871199105935951	54.34	25	25	0.460	14300825	52 × 7 × 11 × 17 × 19 × 23
M 702814067	22133582849217601	54.30	25	25	0.460	15746400	25 × 39 × 52
M 510560213	21438627567955201	54.25	25	25	0.461	20995200	27 × 38 × 52
M 281061149	21076550714590801	54.23	25	25	0.461	37494600	23 × 3 × 52 × 11 × 13 × 19 × 23
M 482308417	20252323353196801	54.17	25	25	0.462	20995200	27 × 38 × 52
M 790469747	19669416808550401	54.13	25	25	0.462	12441600	211 × 35 × 52
M 876715439	19309482200887201	54.10	25	25	0.462	11012400	24 × 32 × 52 × 7 × 19 × 23
M 351339613	18588465440836201	54.05	25	25	0.463	26453700	22 × 32 × 52 × 7 × 13 × 17 × 19
M 600369389	18150847663759201	54.01	25	25	0.463	15116400	24 × 32 × 52 × 13 × 17 × 19
M 730647763	17180743758287201	53.93	25	25	0.464	11757200	24 × 52 × 7 × 13 × 17 × 19
M 699592783	16524101697346801	53.88	25	25	0.464	11809800	23 × 310 × 52
M 376890607	15416031876242401	53.78	25	25	0.465	20451600	24 × 32 × 52 × 13 × 19 × 23
M 476682169	10879221806653201	53.27	25	25	0.469	11411400	23 × 3 × 52 × 7 × 11 × 13 × 19
M 462100739	10177676356327201	53.18	25	25	0.470	11012400	24 × 32 × 52 × 7 × 19 × 23
M 916636027	188281806453140401	57.39	27	27	0.471	102702600	23 × 33 × 52 × 7 × 11 × 13 × 19
M 244767967	9883436785899601	53.13	25	25	0.471	20189400	23 × 3 × 52 × 7 × 11 × 19 × 23