Project Euler/51

1 Problem Description
2 Solution
3 Code
4 Flags

Problem Description

Prime digit replacement: https://projecteuler.net/problem=51

Find the smallest prime which, by replacing part of the number (not necessarily adjacent digits) with the same digit, is part of an eight prime value family.

Example: 56**3

Example: *3

Solution

My solution was written in Java; extensive thoughts and notes here: https://git.charlesreid1.com/cs/euler/src/master/scratch/Round2_050-070/051

Note that the wording of this problem is a bit tricky...

Code

https://git.charlesreid1.com/cs/euler/src/master/scratch/Round2_050-070/051

Flags

Project Euler

project euler notes

Project Euler

Grid 0: Problems 1-99

Problem 1 · Problem 2 · Problem 3 · Problem 4 · Problem 5 · Problem 6 · Problem 7 · Problem 8 · Problem 9 · Problem 10

Problem 11 · Problem 12 · Problem 13 · Problem 14 · Problem 15 · Problem 16 · Problem 17 · Problem 18 · Problem 19 · Problem 20

Problem 21 · Problem 22 · Problem 23 · Problem 24 · Problem 25 · Problem 26 · Problem 27 · Problem 28 · Problem 29 · Problem 30

Problem 31 · Problem 32 · Problem 33 · Problem 34 · Problem 35 · Problem 36 · Problem 37 · Problem 38 · Problem 39 · Problem 40

Problem 41 · Problem 42 · Problem 43 · Problem 44 · Problem 45 · Problem 46 · Problem 47 · Problem 48 · Problem 49 · Problem 50

Problem 51 · Problem 52 · Problem 53 · Problem 54 · Problem 55 · Problem 56 · Problem 57 · Problem 58 · Problem 59 · Problem 60

Problem 61 · Problem 62 · Problem 63 · Problem 64 · Problem 65 · Problem 66 · Problem 67 · Problem 68 · Problem 69 · Problem 70

Problem 71 · Problem 72 · Problem 73 · Problem 74 · Problem 75 · Problem 76 · Problem 77 · Problem 78 · Problem 79 · Problem 80

Grid 1: Problems 100-199

Problem 100 · Problem 101 · Problem 102 · Problem 103 · Problem 104 · Problem 105 · Problem 106 · Problem 107 · Problem 108 · Problem 109

...

Problem 150 · Problem 151 · Problem 152 · Problem 153 · Problem 154 · Problem 155 · Problem 156 · Problem 157 · Problem 158 · Problem 159

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Problem 170 · Problem 171 · Problem 172 · Problem 173 · Problem 174 · Problem 175 · Problem 176 · Problem 177 · Problem 178 · Problem 179

...

Problem 190 · Problem 191 · Problem 192 · Problem 193 · Problem 194 · Problem 195 · Problem 196 · Problem 197 · Problem 198 · Problem 199

Grid 2: Problems 200-299

Problem 227 · Problem 254

Grid 3: Problems 300-399

Problem 301 · Problem 310

Problem 312 · Problem 319

Problem 323 · Problem 328

Problem 334 · Problem 337

Problem 345 · Problem 346

Problem 355 · Problem 356

Problem 364 · Problem 367

Problem 373 · Problem 378

Problem 382 · Problem 389

Problem 391

Grid 5: Problems 500-599

Problem 400

Grid 5: Problems 500-599

Problem 500 · Problem 501 · Problem 502

Grid 9: Problems 900-999

Problem 932

* = in progress

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From charlesreid1

Contents

Problem Description

Solution

Code

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