6 kyu

Not prime numbers

506 of 1,489riyakayal

Description:

You are given two positive integers a and b (a < b <= 20000). Complete the function which returns a list of all those numbers in the interval [a, b) whose digits are made up of prime numbers (2, 3, 5, 7) but which are not primes themselves.

Be careful about your timing!

Good luck :)

Check my other katas:

Find Nearest square number

Alphabetically ordered

Case-sensitive!

Find your caterer

Fundamentals
Performance
Algorithms

Stats:

CreatedMar 3, 2018
PublishedMar 3, 2018
Warriors Trained5042
Total Skips195
Total Code Submissions7133
Total Times Completed1489
Python Completions506
Ruby Completions83
JavaScript Completions478
C++ Completions178
Java Completions293
Haskell Completions34
Total Stars126
% of votes with a positive feedback rating89% of 315
Total "Very Satisfied" Votes257
Total "Somewhat Satisfied" Votes48
Total "Not Satisfied" Votes10
Total Rank Assessments4
Average Assessed Rank
6 kyu
Highest Assessed Rank
6 kyu
Lowest Assessed Rank
7 kyu
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