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# Problem 234. Project Euler: Problem 3, Largest prime factor

Solution 25199

Submitted on 2 Feb 2012
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### Test Suite

Test Status Code Input and Output
1   Pass
%% x = 600851475143; y_correct = 6857; assert(isequal(euler003(x),y_correct))

pf = 71 pf = 71 839

2   Pass
%% x = 3916767508299776; y_correct = 457; assert(isequal(euler003(x),y_correct))

pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2

3   Pass
%% x = 32167675; y_correct = 1286707; assert(isequal(euler003(x),y_correct))

4   Fail
%% x = uint64(321676750829977632); y_correct = 206830397; assert(isequal(euler003(x),y_correct))

Error: Undefined function 'sqrt' for input arguments of type 'uint64'.

5   Pass
%% x = 321676755; y_correct = 5639; assert(isequal(euler003(x),y_correct))

6   Pass
%% x = 361125; y_correct = 107; assert(isequal(euler003(x),y_correct))

7   Pass
%% x = 13916767508299776; y_correct = 98779; assert(isequal(euler003(x),y_correct))

pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 pf = 2 3 pf = 2 3 383