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Four Consecutive Odds (Posted on 2024-06-21)

Which four consecutive odds, when multiplied together, give the product 6xxxxxx9?

Each x represents a digit, not necessarily the same.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

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computer solution

| Comment 2 of 3 |

p=1*3*5*7;

% while p<99999999

for n=9:2:555

p=p*n/(n-8);

ps=num2str(p);

if length(ps)==8

if ps(1)=='6' && ps(8)=='9'

disp([n-6:2:n p])

end

elseif length(ps)>8

break

end

finds

87 89 91 93 65529009

Posted by Charlie on 2024-06-21 10:21:45

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