# Write a program that will find the smallest number that is divisible (without remainder) of each of the numbers 1 to 10.

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Thank You

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### Answers (3)

José-Luis
on 1 Sep 2017

Edited: José-Luis
on 1 Sep 2017

disp('2520')

Or did you expect people to do your homework?

##### 3 Comments

José-Luis
on 1 Sep 2017

Edited: José-Luis
on 7 Sep 2017

Oh, I can try to help, and I'll keep on commenting, thank you very much.

Asking for someone else to do something that is obviously homework, where you have put no effort, doesn't really motivate, and is in fact considered cheating.

I also fail to see a specific Matlab question.

Furthermore:

Just for kicks, you could submit this:

a = (1:10).';

dummy = perms(a.');

dummy = cumprod(dummy,2);

to_keep = dummy;

dummy = bsxfun(@rdivide,dummy,reshape(a.',1,1,10));

dummy = dummy == floor(dummy);

dummy = sum(dummy,3) == 10;

column = sum(dummy);

column = find(column > 0, 1);

idx = dummy(:,column);

result = min(to_keep(idx,column))

I just love the woefully inefficient. But hey, there are no loops.

And the logic should help.

John D'Errico
on 2 Sep 2017

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