Anandabazar Patrika - Anandamela

14 XSq 1415 }AyyS} 30 vMzG} 2008

_cmS dS yM~S PtAd?

yMhM y P{RA~c dSmS yM~S, AjMr vSa YSZ ~ o~S} A~dMiv wAsc `

<ShHv AM hS~ Ai~ PZ <sS vrv Aci YAyS} c}M~ eAqrMa}S Yv2 \t|SwMv {SMzSMj} YMSjv c}Mrv dSaS-tSaS} M h~r vSh-eSv, Z-dMNS wAMr}S _ zSMyZ SuS}q {SvMc jSvSMrv rS>Mt} SxM~} dy} P |e _dv Y} PvZ vZM~ eAqMr _cmS cArM} dy} _dv x~Sa cM} <cSAr r w-wAcS Y} y ySt AtM~a, _c ~ o~S} w}S} P{M~ P| cArM} ySMt, rSMc \MwS c}S |S vS

cHM} jv _Z <SZj? yMhM y P{RA~c dS YAySM}} SHcArMr P{RA~c ~ 2, 3, 5, 7, 11 yS 13-} {MrS dS |S}S Xv dS} `qx~ v 15 P{RA~c dS v, cS}q 15= 5x3 Ac, 17 yS 19 P{RA~c, cS}q aMt} `qxM~ <cS c}S |S vS dS} uS}qS |dv PsMc {SvM} {SsS _MMi, rdv PsMcZ P { P{RA~c dS} {SSM dS} }SMj 14, 35, 51 yS 115-} {MrS |S}S, rSMt} yM~ P|RAec cS}q, a}S Xv dS} `qx~ 14=2x7, 35= 2x7, 51=3x17, 115=5x23 y~S ySd~, dS} }SMj XAucSZ P|RAec

rS} {SMv Ac _Z P|, P{RA~Mc}S SMr-MeSvS? XsS, 2, 3, 5, 7, 11...37, 41, 47....947, 953, 967... _ zSMy _MeSM~ _c {M xA}M |SMy rSMt} rSA~cS? vS, Yj PsMc 2,300 yi} YMe Ac eAqra Z\Ao <{Sq cM}AiM~v, aZ rSA~cS} P PvZ yMhM y P{RA~c yM~ Aci  vS  Pcy~ y, Y}a y, P{RA~c dS

|Me |Me vSvS jMv vSvS }c{ x{~S Py} c}Mr PhMMiv, |S} SSM| P{RA~c dS ySvSMvS |S wM}SwA} x~ P| vAv Pc\, rS y~SZ ySd~ _ ySwSM} _c jv Xx~ \MtSeH} vS{ {SA} {S}Mv _Z x}SA wSA(, 1644 ALSM@ Xv{Sv cM}AiM~v, |At P{R= PcSva P{RA~c dS (2, 3, 5, 7, 11...) , rS M~ 2M{R  1 dSCm P{RA~c My PtdS |Sc22-1=tCm 2-_} `qx~-1 =4-1=3 (P{RA~c) 23-1=3Cm 2-_} `qx~-1=8-1=7 (P{RA~c) yS, h{cS}

vS, YvM2 ~SAxM anS} PcSva cS}q PvZ 27-1 yS 127 P{RA~c M~a, aZ x{~S KrA} rS} wM}} dSCm, XsS, 211-1 yS 2047 Ac rS v cS}q 2047=23x89 PZ }c{, 213-1, 217-1, 219-1 dS`A~ P{RA~c M~a, 223-1 _y 229-1 P{RA~c v XsS, Am Y} A{ {S}Mv x{~S KrA} dS PcSvamS P{RA~c, PcSvamS v

rS PSc, ry P| aZ x{~S P{RA~c dS \wS} AtM cdva-dva, rSMrZ eAqrMa}S dA y{ P{RA~c yM~ |dv PcSva dS PvZ, rdv y, Y}a y, P{RA~Mc} PdS>j hM~Mi aZ {S}Mv x{~S} SSM| _ PdS>j zHq kSM{~S} P|v dM} eStS Mh} Sv Pcv? YM~, |r y dS} AtMc _MeSv |S, rrZ P{RA~Mc}S Ay}~ Mr sSMc 5, 7-_} w} 9 P{RA~c v, cS}q rS 3-_} `Aqrc 17, 19-_} w} 21 P{RA~c v, cS}q rS 7-_} `Aqrc { y dSMt} {Mu _ zSMy _Mc} w} _c P{RA~Mc} `Aqrc sScS rSMt} {Mu P{RA~Mc} Sv cCnv M tS>S

PZ cCnv cSj {SuS c}Mr er 12 yi} uM} hM~Mi _c {S \MtSe Pm Z*S}Mvm {S}Mv <SZ{ Sh MMw Aj YZ _{ Aw _, yS AjD AyjM _c ~ c{Aw\mSM} {S}Mv x{~S KrA} _Mc} w} _c dS P{RA~c Ac vS, rS |ShSZ c}S Xr`M~S c{Aw\mS} A{M~ _c PMcM PM} PxM~ 29,000,000,000 eqvS rS Mxa y, Y}a y, P{RA~c d>jMr PcMm |S yiM}} w} yi} rS |Sc, ry _ zSMyZ PdS>j A{M~Mi _Mc} w} _c y P{RA~Mc} |SMt} _c _cmS X (763 dSCmMr X ~ ArvCm7, 6 _y 3) }MMi ~ ~ AjD <cMO _ zSMy y P{RA~Mc} SvMc \S AtMr {SAcv S ZM~cAvc >vCmS} xS\Mv PfSqS cM}Ai~, _c PcSCm}a PyA XaS~S P{RA~c YAySM} <SZj A{~My 1 ~ o~S}

wSaS AeMMi Pr{v P{RA~c dS YAyrS ~ _Mb~-_} cSA~MxSAvS AyAytS~M eAqMr} XuSwc _ov DTs a rS>} c{H}S a@Mt} YAyr _dva w| yMhM y P{RA~cCm {S}Mv x{~S A~dM~ tS>S 2431126091 XsS, dSCm ~ 43112609Cm 2-_} `qxM~} PhM 1 c{ PwNS SZMj} _c vG}, |S} {Mu X }MMi 1 PcSCm 29 ~ 78 SjS} 189Cm Xr`M~S X-AyA dSCm cr y, rS Xv{Sv c}Mr wSM}S? <Ar ~SZMv 75Cm X }MMi, _{v 50Cm ~SZv <Ar wS iSwM~, P{Sm 3461Cm wS ~SeMy wM}S dSCm} jv _ Pv P{RA~c YAySM}} jv AjD <cMO} M P|RszSMy _c ~ o~S} w}S} wSM XuSwc DTMs} txr}

<SZj Ac _dSMvZ P v 10 PcSCm _y 100 PcSCm} PyA X-AyA P{RA~c dS YAySM}} jva }MMi ZvS{ Pt ~ _y YSZ ~ o~S}

iAy: \t Pty