What is the largest prime factor of 636?______

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问题 What is the largest prime factor of 636?______

选项

答案53

解析 The correct answer is 53. The best way to determine the prime factors of a large number is to use a factor tree. Start with 636, and divide by any available prime factor: for instance, two factors of 636 are 2 and 318. Next, 318 is divisible by the prime number 3, leaving 106. Finally, 106 is divisible by 2, which leaves you with 53.

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What is the largest prime factor of 636?______

GRE QUANTITATIVE

GRE

Whenwemeetaperson,ourfirstimpressionisbasedontheirbodylanguageandtheirspeech.Whensomeonegoesuponastage,o

Greenseaturtles(海龟)aretheworld’slargestspeciesofhard-shelledseaturtle.Whilemostindividualsweighabout136to181

Therearemanytheoriesthat______tobeabletopredictwhetheryouwillgivebirthtoagirlaboy.

AsTheplanecircledovertheairport,everyonesensedthatsomethingwaswrong.Theplanewasmovingunsteadilythroughtheair

(77)Muchunfriendlyfeelingtowardscomputershasbeenbasedonthefearofwidespreadunemploymentresultingfromtheirintrodu

Whatdoestheauthormeanbysaying"theyknowbetternow?"Whichofthefollowingisthemostappropriatetitleforthepassag

Ifn=pqr,wherep,q,andrarethreedifferentpositiveprimenumbers,howmanydifferentpositivedivisorsdoesnhave,incl

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Findanalgebraicexpressiontorepresenteachofthefollowing.(a)Thesquareofyissubtractedfrom5,andtheresultismult

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