Determine the minimum value of a positive integer N such that:
o N has the form: 97.......97, and:
o N is divisible by 99
(In reply to
re: solution by K Sengupta)
I had been under the impression that N would consist solely of repetitions of 97.
However, if the ellipsis dots can be any values, the lowest 10 values that work are
9712197
9722097
9731997
9741897
9751797
9761697
9771597
9781497
9791397
97109397
much lower than 9731999999997
found by
a=9700; chk=9800; ct=0
for b=97:100:40000000097
if a+b>=chk
a=10*a;
chk=10*chk;
end
if mod(a+b,99)==0
disp(a+b)
ct=ct+1;
if ct>=10
break
end
end
end
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Posted by Charlie
on 2021-12-12 15:19:21 |
re(2): solution
