**Lpf(n): least prime dividing n (with a(1)=1).**

*1, 2, 3, 2, 5, 2, 7, 2, 3, 2, 11, 2, 13, 2, 3, 2, 17, 2, 19, 2, 3, 2, 23, 2, 5, 2, 3, 2, 29, 2, 31*

*10 seqfan posts*

*Tue Apr 3 20:35:43 CEST 2012* [seqfan] Re: Q: A118663 prime(n) smallest prime factor of composite

*Tue Jan 25 10:23:09 CET 2011* [seqfan] Re: OEISWiki : decomposition into weight * level + jump

*Tue Aug 17 07:41:46 CEST 2010* [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair

*Mon Aug 16 19:22:36 CEST 2010* [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair

*Mon Aug 16 19:03:49 CEST 2010* [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair

*Mon Aug 16 17:43:10 CEST 2010* [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair

*Mon Aug 16 08:48:46 CEST 2010* [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair

*Mon Aug 16 08:24:32 CEST 2010* [seqfan] Re: Is this right? smallest prime factor of smaller of amicable pair

*Mon Aug 16 08:14:17 CEST 2010* [seqfan] Is this right? smallest prime factor of smaller of amicable pair

*Sun Dec 28 18:50:04 CET 2008* [seqfan] An interesting coincidence

Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword

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