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443^443 what are the last three digits ?

Guest Aug 29, 2014

Best Answer 

 #2
avatar+26755 
+5

Successive powers of 443 end in 443; 249; 307; 001.  These then repeat (see below).

 

The first of these occurs when mod(power,4) = 1, the second when mod(power,4) = 2, the third when mod(power,4) = 3 and the fourth when mod(power,4) = 0.

 

Since mod(443,4) = 3, the last three digits of 443443 are 307.

 

powers of 443

Alan  Aug 29, 2014
 #1
avatar+4472 
0

AzizHusain  Aug 29, 2014
 #2
avatar+26755 
+5
Best Answer

Successive powers of 443 end in 443; 249; 307; 001.  These then repeat (see below).

 

The first of these occurs when mod(power,4) = 1, the second when mod(power,4) = 2, the third when mod(power,4) = 3 and the fourth when mod(power,4) = 0.

 

Since mod(443,4) = 3, the last three digits of 443443 are 307.

 

powers of 443

Alan  Aug 29, 2014

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