document.write( "Question 360515: What are the final two digits of 7¹⁹⁹⁷?
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Algebra.Com's Answer #257240 by edjones(8007) $\"\"$ $\"About$

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7^1=7
\n" ); document.write( "7^2=49
\n" ); document.write( "7^3=343
\n" ); document.write( "7^4=2401
\n" ); document.write( "7^5=16807
\n" ); document.write( "7^6=117649
\n" ); document.write( "7^7=823543
\n" ); document.write( "7^8=5764801
\n" ); document.write( "7^9=40353607
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\n" ); document.write( "The last 2 numbers repeat every 4 times
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\n" ); document.write( "1997/4=499 1/4
\n" ); document.write( "Therefore the last 2 digits of 7^1997 are ...07
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