Maurice Tutor

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About Maurice Tutor

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Elementary,Middle School,High School,College,University,PHD

Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 305 Weeks Ago, 5 Days Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 17 Sep 2017 My Price 5.00

boring multiplication table

Johnny has created a table which encodes the results of some operation -- a function of two arguments. But instead of a boring multiplication table of the sort you learn by heart at prep-school, he has created a GCD (greatest common divisor) table! So he now has a table (of height a and width b), indexed from (1,1) to (a,b), and with the value of field (i,j) equal to gcd(i,j). He wants to know how many times he has used prime numbers when writing the table.

 

Input

 

First, t = 10, the number of test cases. Each test case consists of two integers, 1 = a,b 7.

 

Output

 

For each test case write one number - the number of prime numbers Johnny wrote in that test case.

 

Example

Input: 2 10 10 100 100 Output: 30 2791

Answers

Maurice Tutor
(5)
Status NEW Posted 17 Sep 2017 12:09 PM My Price 5.00

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