Saturday October 1, 2005
Courant & Robbins [p. 23]

In[1]:=

FactorInteger[43]

Out[1]=

{{43, 1}}

Therefor 43 is a prime number.

In[2]:=

42 × 43

Out[2]=

1806

In[3]:=

FactorInteger[1807]

Out[3]=

{{13, 1}, {139, 1}}

In[4]:=

1806 × 13

Out[4]=

23478

In[5]:=

FactorInteger[23479]

Out[5]=

{{53, 1}, {443, 1}}

In[6]:=

1806 × 53

Out[6]=

95718

In[7]:=

FactorInteger[95719]

Out[7]=

{{13, 1}, {37, 1}, {199, 1}}


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