All about
flooble

fun stuff

Get a free chatterbox

Free JavaScript

Avatars
perplexus
dot
info
Home
>
Just Math
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?
Submitted by
e.g.
Rating:
3.7500
(4 votes)
Solution:
(
Hide
)
8757193191
Comments: (
You must be logged in to post comments.
)
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
Please log in:
Login:
Password:
Remember me:
Sign up!

Forgot password
Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ

About This Site
Site Statistics
New Comments (7)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
blackjack
flooble's webmaster puzzle
Copyright © 2002  2018 by
Animus Pactum Consulting
. All rights reserved.
Privacy Information