ProjectEuler

Python solutions Project Euler - https://projecteuler.net/

Laptop specs

OS: Windows 10 Home 64-bit

CPU: Intel Core i7 @ 2.50GHz

GPU: NVIDIA GeForce GTX 850M

RAM: 16,0GB Dual-Channel DDR3 @ 798MHz

IDE: PyCharm Community Edition

Solutions

Number	Title	Date	Runtime	Solved	Link
001	Multiples of 3 and 5	26/01/2017	0.00034s		Problem 1
002	Even Fibonacci numbers	26/01/2017	< 0.00001s		Problem 2
003	Largest prime factor (complicated)	26/01/2017	0.04257s		Problem 3
003	Largest prime factor (short)	26/01/2017	0.00060s		Problem 3
004	Largest palindrome product	26/01/2017	0.00632s		Problem 4
005	Smallest multiple (brute force)	26/01/2017	8.03642s		Problem 5
005	Smallest multiple (efficient)	26/01/2017	0.00013s		Problem 5
006	Sum square difference	26/01/2017	< 0.00001s		Problem 6
007	10001st prime	26/01/2017	6.53110s		Problem 7
008	Largest product in a series	26/01/2017	0.00181s		Problem 8
009	Special Pythagorean triplet	28/01/2017	0.11237s		Problem 9
010	Summation of primes	26/01/2017	0.53019s		Problem 10
011	Largest product in a grid	29/01/2017	0.00092s		Problem 11
012	Highly divisible triangular number	28/01/2017	5.81420s		Problem 12
013	Large sum	27/01/2017	0.00011s		Problem 13
014	Longest Collatz sequence	26/01/2017	2.20673s		Problem 14
015	Lattice paths	28/01/2017	0.00020s		Problem 15
016	Power digit sum	27/01/2017	0.00018s		Problem 16
017	Number letter counts	28/01/2017	0.00338s		Problem 17
018	Maximum path sum I	29/01/2017	0.00019s		Problem 18
019	Counting Sundays	30/01/2017	0.00108s		Problem 19
020	Factorial digit sum	28/01/2017	0.00010s		Problem 20
021	Amicable numbers	28/01/2017	0.15887s		Problem 21
022	Names scores	30/01/2017	0.01165s		Problem 22
023	Non-abundant sums	30/01/2017	15.48666s		Problem 23
024	Lexicographic permutations	30/01/2017	0.88881s		Problem 24
025	1000-digit Fibonacci number	28/01/2017	0.13854s		Problem 25
026	Reciprocal cycles	30/01/2017	0.41314s		Problem 26
027	Quadratic primes	30/01/2017	6.22978s		Problem 27
028	Number spiral diagonals	28/01/2017	0.00051s		Problem 28
029	Distinct powers	30/01/2017	0.00911s		Problem 29
030	Digit fifth powers	30/01/2017	5.45839s		Problem 30
031	Coin sums	30/01/2017	0.03779s		Problem 31
032	Pandigital products	31/01/2017	0.18051s		Problem 32
033	Digit cancelling fractions	31/01/2017	0.01764s		Problem 33
034	Digit factorials	31/01/2017	0.28616s		Problem 34
035	Circular primes	31/01/2017	1.17886s		Problem 35
036	Double-base palindromes	31/01/2017	0.71500s		Problem 36
037	Truncatable primes	31/01/2017	0.43337s		Problem 37
038	Pandigital multiples	01/02/2017	0.03272s		Problem 38
039	Integer right triangles	01/02/2017	0.17144s		Problem 39
040	Champernowne's constant	01/02/2017	0.15263s		Problem 40
041	Pandigital prime	01/02/2017	4.88541s		Problem 41
042	Coded triangle numbers	01/02/2017	< 0.00001s		Problem 42
043	Sub-string divisibility	02/02/2017	6.39962s		Problem 43
044	Pentagon numbers	02/02/2017	0.43241s		Problem 44
045	Triangular, pentagonal, and hexagonal	02/02/2017	0.08220s		Problem 45
...	...	...	...	...	...
048	Self powers	29/01/2017	0.00070s		Problem 48