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Primfaktorzerlegung/49 über 6/Aufgabe/Lösung
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Primfaktorzerlegung/49 über 6/Aufgabe
Es ist
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49
6
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49
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48
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47
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46
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45
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44
6
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5
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4
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3
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2
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1
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49
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47
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46
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45
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44
5
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3
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49
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47
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46
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3
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44
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7
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7
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47
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23
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11
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2
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3
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7
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11
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23
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47.
{\displaystyle {}{\begin{aligned}{\binom {49}{6}}&={\frac {49\cdot 48\cdot 47\cdot 46\cdot 45\cdot 44}{6\cdot 5\cdot 4\cdot 3\cdot 2\cdot 1}}\\&={\frac {49\cdot 47\cdot 46\cdot 45\cdot 44}{5\cdot 3}}\\&=49\cdot 47\cdot 46\cdot 3\cdot 44\\&=7\cdot 7\cdot 47\cdot 23\cdot 2\cdot 3\cdot 2\cdot 2\cdot 11\\&=2^{3}\cdot 3\cdot 7^{2}\cdot 11\cdot 23\cdot 47.\end{aligned}}}
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