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Euler problems/131 to 140

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m (EulerProblems/131 to 140 moved to Euler problems/131 to 140)

Revision as of 00:26, 29 March 2007


1 Problem 131

Determining primes, p, for which n3 + n2p is a perfect cube.


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2 Problem 132

Determining the first forty prime factors of a very large repunit.


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3 Problem 133

Investigating which primes will never divide a repunit containing 10n digits.


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4 Problem 134

Finding the smallest positive integer related to any pair of consecutive primes.


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5 Problem 135

Determining the number of solutions of the equation x2 − y2 − z2 = n.


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6 Problem 136

Discover when the equation x2 − y2 − z2 = n has a unique solution.


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7 Problem 137

Determining the value of infinite polynomial series for which the coefficients are Fibonacci numbers.


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8 Problem 138

Investigating isosceles triangle for which the height and base length differ by one.


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9 Problem 139

Finding Pythagorean triangles which allow the square on the hypotenuse square to be tiled.


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10 Problem 140

Investigating the value of infinite polynomial series for which the coefficients are a linear second order recurrence relation.


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