What is the sum of the first digit of all primes less than or equal to 55555? You may want to use the num2str() function.   Please use matlab

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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In MATLAB, primes(N) provides all the prime numbers less than or equal to N. E.g. primes(15) = [2 3 5 7 11 13]. The sum of the first digit of each prime is 19 (i.e. 2+3+5+7+1+1 = 19).

What is the sum of the first digit of all primes less than or equal to 55555? You may want to use the num2str() function.

 

Please use matlab

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