@article{Archibald:1914,
	key = "Archibald 1914",
	author = "R. C. Archibald",
	title = {Remarks on {Klein's} ``{Famous} {Problems} of {Elementary} {Geometry}''},
	journal = AMM,
	volume = 21,
	year = 1914,
	pages = "247-259"}

@article{Eisenstein:1844b,
	key = "Eisenstein 1844b",
	author = "G. Eisenstein",
	title = "Aufgaben",
	journal = JFRAM,
	volume = 27,
	year = "{\noopsort{1844b}}1844",
	pages = "86-88"}

@article{Western:1905,
	key = "Western 1905",
	author = "A. E. Western",
	title = "Note on {Fermat's} numbers and the converse of {Fermat's} theorem",
	journal = PLMS,
	volume = 3,
	year = 1905,
	pages = "xxi-xxii"}

@article{Morehead:1905,
	key = "Morehead 1905",
	author = "J. C. Morehead",
	title = "Note on {Fermat's} numbers",
	journal = BAMS,
	volume = 11,
	year = 1905,
	pages = "543-545"}

@article{Morehead:1906,
	key = "Morehead 1906",
	author = "J. C. Morehead",
	title = "Note on the factors of {Fermat's} numbers",
	journal = BAMS,
	volume = 12,
	year = 1906,
	pages = "449-451"}

@article{Morrison&Brillhart:1971,
	key = "M. Morrison and Brillhart 1971",
	author = "M. A. Morrison and J. Brillhart",
	title = "The factorization of {$F_7$}",
	journal = BAMS,
	volume = 77,
	year = 1971,
	pages = 264}

@article{Robinson:1958,
	key = "Robinson 1958",
	author = "R. M. Robinson",
	title = "A report on primes of the form $k\cdot 2^n + 1$ and on
factors of {Fermat} numbers",
	journal = PAMS,
	volume = 9,
	year = 1958,
	pages = "673-681"}

@article{Carmichael:1919,
	key = "Carmichael 1919",
	author = "R. D. Carmichael",
	title = "Fermat numbers {$F_n = 2^{2^n} + 1$}",
	journal = AMM,
	volume = 26,
	year = 1919,
	pages = "137-146"}

@article{Riesel:1963,
	key = "Riesel 1963",
	author = "H. Riesel",
	title = "A factor of the {Fermat} number {$F_{19}$}",
	journal = MC,
	volume = 17,
	year = 1963,
	pages = 458}

@article{Wrathall:1964,
	key = "Wrathall 1964",
	author = "C. P. Wrathall",
	title = "New factors of {Fermat} numbers",
	journal = MC,
	volume = 18,
	year = 1964,
	pages = "324-325"}

@article{Paxson:1961,
	key = "Paxson 1961",
	author = "G. A. Paxson",
	title = "The compositeness of the the thirteenth {Fermat} number",
	journal = MC,
	volume = 15,
	year = 1961,
	pages = 420}

@article{Robinson:1957,
	key = "Robinson 1957",
	author = "R. M. Robinson",
	title = "Factors of {Fermat} numbers",
	journal = MTAC,
	volume = 11,
	year = 1957,
	pages = "21-22"}

@article{Selfridge:1953,
	key = "Selfridge 1953",
	author = "J. L. Selfridge",
	title = "Factors of {Fermat} numbers",
	journal = MTAC,
	volume = 7,
	year = 1953,
	pages = "274-275"}

@article{Selfridge&Hurwitz:1964,
	key = "Selfridge and Hurwitz 1964",
	author = "J. L. Selfridge and A. Hurwitz",
	title = "Fermat numbers and {Mersenne} numbers", 
	journal = MC,
	volume = 18,
	year = 1964,
	pages = "146-148"}

@article{Hurwitz&Selfridge:1961,
	key = "Hurwitz and Selfridge 1961",
	author = "A. Hurwitz and J. L. Selfridge",
	title = "Fermat numbers and perfect numbers",
	journal = NAMS,
	volume = 8,
	year = 1961,
	pages = 601,
	note = "Abstract 587-104"}

@book{Lucas:1896,
	key = "Lucas 1896",
	author = "E. Lucas",
	title = "{R\'ecr\'eations} {Math\'ematiques}",
	volume = "II",
	year = 1896,
	publisher = "Gauthiers-Villars",
	address = "Paris"}

@article{Lenstra&Lenstra&Manasse&Pollard:1993,
	key = "A. K. Lenstra, H. W. Lenstra, Jr., Manasse, and Pollard 1993",
	author = "A. K. Lenstra and {Lenstra Jr.}, H. W. and
M. S. Manasse and J. M. Pollard",
	title = "The factorization of the ninth {Fermat} number",
	journal = MC,
	volume = 61,
	year = 1993,
	pages = "319-349",
	note = "Addendum, {\it Math.\ Comp.} {\bf 64} (1995), 1357"}

@book{Colburn:1833,
	key = "Colburn 1833",
	title = "A Memoir of Zerah Colburn",
	author = "Z. Colburn",
	publisher = "G. and C. Merriam",
	address = "Springfield, Mass.",
	year = 1833}

@article{Hermes:1886,
	key = "Hermes 1886",
	author = "J. Hermes",
	title = "Symmetrische und {complement\"are} {Verteilung} der
{Indexsummenreste} $r$ {f\"ur} {Primzahlen} von der {Form}:
$p = 2^{2^u}+1$",
	journal = ARCHMP,
	volume = 4,
	year = 1886,
	pages = "207-217"}

@article{Gostin:1995,
	key = "Gostin 1995",
	author = "G. B. Gostin",
	title = "New factors of {Fermat} numbers",
	journal = MC,
	volume = 64,
	year = 1995,
	pages = "393-395"}

@article{Dubner&Keller:1995,
	key = "Dubner and Keller 1995",
	author = "H. Dubner and W. Keller",
	title = "Factors of generalized {Fermat} numbers",
	journal = MC,
	volume = 64,
	year = 1995,
	pages = "397-405"}

@article{Crandall&Doenias&Norrie&Young:1995,
	key = "Crandall, Doenias, Norrie, and Young 1995",
	author = "R. E. Crandall and J. Doenias and C. Norrie and J. Young",
	title = "The twenty-second {Fermat} number is composite",
	journal = MC,
	volume = 64,
	year = 1995,
	pages = "863-868",
	comment = "As published, it's R. Crandall"}