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1992 Swedish Mathematical Competition
1
is (19^{92} - 91^{29})/90 an integer?
is (19^{92} - 91^{29})/90 an integer?
Source: 1992 Swedish Mathematical Competition p1
April 2, 2021
number theory
Integer
Problem Statement
Is
1
9
92
−
9
1
29
90
\frac{19^{92} - 91^{29}}{90}
90
1
9
92
−
9
1
29
an integer?
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