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Expert Member
Find the two largest number
A * B = C
A and B should contain only non zero digits
C should contain only numbers like 10 or 100 or 1000 or 10000
for eg 5*2=10
25*4=100
Find the largest of this kind???
Thanks
Manoj
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Expert Member
Re: Find the two largest number
where does the number ends?(i cant find the largest number)
the given is of the type:
5^n*2^n=10^n
where n is the greatest.
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Expert Member
Re: Find the two largest number
Hey Barbie,
U got the answer... Just put some values for n... u will get the answer...
Thanks
Manoj
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Expert Member
Re: Find the two largest number
manoj.. shall i put 12 for n?
10^12=1 trillion.
thats the biggest number i think.
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Expert Member
Re: Find the two largest number
But 5^12 and 2^12 contain digits with value zero...
the question is A & B should not contain digits with value zero...
Thanks
Manoj
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Expert Member
Re: Find the two largest number
then it is 5^9 * 2^9.
1953125*512=10^7.
but i thought 5^n and 2^n should not have 0s at the end.
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Expert Member
Re: Find the two largest number
Barbie How about putting n=33...
I found this number in http://www.shyamsundergupta.com/
Because i found this as very interesting i posted here...
You can also see lot of facinating number in the above website...
I know this is very difficult to find because of trial and error method...
Thanks
Manoj
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Expert Member
Re: Find the two largest number
are you sure that n>33 will not satisfy this condition.
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Expert Member
Re: Find the two largest number
In windows calculator i can try upto 5^45.... Its not possible to go after that... so i think n=33 is the largest number of that type...
You can check in the link given in my previous post...
Thanks
Manoj
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