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Prime divisors (
Posted on 20050104
)
6300846559 is such that 6 is divisible by 2; 63, by 3; 630, by 5; 6300, by 7; and, in general, if you take its first N digits, it will be divisible by the Nth prime.
There is only one other such 10 digit number: can you find it?
See The Solution
Submitted by
e.g.
Rating:
3.7500
(4 votes)
Comments: (
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Subject
Author
Date
answer
K Sengupta
20070417 15:13:50
re: A further analysis
Ady TZIDON
20050105 09:50:03
re(4): Solution (VB program) (Thanks !)
Penny
20050104 20:03:37
re(2): A further analysis (my oopsies)
Jer
20050104 19:11:40
re: A further analysis
Charlie
20050104 18:51:16
re(3): Solution (VB program)
Charlie
20050104 18:29:01
A further analysis
Jer
20050104 18:20:26
re(2): Solution (VB program)
Penny
20050104 17:23:43
Short program
Federico Kereki
20050104 17:19:47
re: Solution (VB program)
Charlie
20050104 16:00:11
Solution (VB program)
Penny
20050104 15:44:05
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