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Lynch-Bell numbers (Posted on 2023-01-27) Difficulty: 3 of 5
L-B number is a number with distinct non-zero digits divisible by each of its digits e.g. 186432.

a. What is the largest LBN not containing the digit 1?
b. How many LBNs contain the digit 4?
c. Same for digit 5.
d. What is the largest LBN?

Provide your reasoning and/or program; solution by searching for answers on the web will be considered unfair…

See The Solution Submitted by Ady TZIDON    
Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Also answered, how many there are Comment 3 of 3 |
(In reply to Also answered, how many there are by Charlie)

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  Posted by sarrakhanb on 2023-01-29 02:18:43
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