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authorReiner Herrmann <reiner@reiner-h.de>2014-08-31 20:21:45 +0200
committerReiner Herrmann <reiner@reiner-h.de>2014-08-31 20:35:09 +0200
commit95341b61b030c9e1290f3b326cb7ec584f543aea (patch)
tree852386fa04d32eb859bca11c0eff7b5ef9e50f00 /069_2.py
parent571164d977f91925c4c76a292f74f5f93d09ae23 (diff)
moved files to higher directory after split to new repositoryHEADtrunk
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+#
+# n/phi(n) is a maximum, if phi(n) is minimal
+#
+# phi(n) = n*(1-1/p1)*(1-1/p2)*...*(1-1/pi)
+# n/phi(n) = 1/((1-1/p1)*(1-1/p2)*...*(1-1/pi))
+# -> smallest primes
+#
+
+from common import sieve
+
+primes = sieve(100).primes()
+prime_list = [ x for x in primes ]
+prime_list.sort()
+
+x = 1
+for p in prime_list:
+ if x*p > 1000000:
+ break
+ x *= p
+
+print x
+