What is the factorial of 1264? (1264!) 1264 Factorial

What is the factorial of 1264?

Here we will show you how to calculate the factorial of 1264 (aka 1264 factorial) and give you the approximate scientific notation answer and the exact answer.

Before we begin, note that the factorial of 1264 can be written as 1264 followed by an exclamation mark like this: 1264!

Factorial of 1264 means that you multiply 1264 by every number below it. Therefore, you calculate the factorial of 1264 by multiplying 1264 by 1263, then by 1262, and so on all the way down to 1. In other words, we calculate 1264 × 1263 × 1262 × ... × 1 to get 1264 factorial.

The answer to 1264 factorial (1264!) contains 3374 digits and we have listed the exact entire answer at the bottom of this page. However, below is the approximate scientific notation answer to 1264 factorial:

4.0744448704 × 10³³⁷³

The answer above is also sometimes written as 4.0744448704e+3373. Regardless, it means that the approximate answer to 1264! is 40744448704 followed by 3363 more digits.

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Like we promised, below is the exact answer to 1264 factorial (1264!) with all 3374 digits:

40744448704776936800715973246811992688071673842099909771215101933746732819212957518379539925937536942215838959503117034946616081293819308723494587863038835828811376715444729660407477543002550409503424547504510606571959532020669884183959706231907716998314627939715934487042264963364761030217330014491637456641998538160652538936027366915031782326827932529421615124750996839054544228109608146966400810289376743515482853156957914118522185526761144752917905505252825114822938856702553262612529655176429726514933214183298787570852117226568274576348176946140205427710544500697892781051870270490551085090874246312645797275721223062172698772689143511135302014728644747663637421778625582405260368417313300279208331151636465888823793044003757839898915696303861629163690064220201731871218593550402446176525372290831612298879659530731017905746676746666148500269969092826602022354243694454362428707841819028819396204884822771199685371034441303220386206517170095244282919095394136784698969305043576923163865829942630682970949800415158217332167038649354174467006179116794392910807655221413986861991944627110853753854695734764991690341824500533605084872670998571975816439332819789279321753559240197949162817705091462563830582719014298416389483673968126750850914767367178660271256035309751766938500510001352897640325305017623784490728315028535121824390231835193825302957274203347876548967449186121995156833405278060467573234462762389273025790792512508854696110706676955498860426663556609896390658352737731175028606085329449206845251200332852496748802857360506801896627088829915739974790364388951388355225858699530642758603981441808497375404477558166220963397582000263997964933653645693089735360315811882054220076652298571613310470913276333416624287065504727213138204535999710755817049091162719292171515679421979297912707327080001243386736384821882771696943762566141826636101588291957910027993185035906191682236472429326138299213139520415442371150501528971023592034852844475807227751445978111930031093878255486610824719593665274789365865056599804102200463294812514313729661373721223746603634839758264625734644843842994797078272121982977315186780699804521552827045706371327009676399347148759429048307749565400315285434447394905213835157909168071632378820909611167942822972677228423706806323676666652598226763221273593805488845303041151994722259819395914805858685948579838329954121259323471826473825495480341167864932184463207307145773225275504028330006777673693989852892658960807146793745871962940056133986293875622442693679152079153416058410564896460406759654587165486666902287600799794689208074848438382855677081558428089071695162060270929028563372271862055602296858620211242392252364876618480338074579969155018748410722992011688724733448399355710596780711947281341444495700684782542330470116585677267622249482847995255112930731941660092910121606870697064285843459985629496519000055025111908143310042092349184138731676224438670620762067740126218185840101535580769979118996160537368286016689680253761908162089920707134946837749520973305493500883159720864741246264796478506952294400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

What is the factorial of 1265?
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