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本帖最后由 愚工688 于 2019-1-27 14:19 编辑
这个建议很好!而我早就已经做了。
可以看看我的帖子《偶数M表为两个素数和数量(单记)的区域下界计算值infS(m)与实际验证 》
例如:100亿起的连续偶数M的下界计算值inf(M)与区域下界计算值infS(m)的计算实例:
可以清楚的看到,区域下界infS(m)值随偶数增大而显现近似线性增大的特征 ;单独偶数的下界计算值 inf(M)则相对误差很小。
两者关系:区域下界infS(m)= inf(M)/ k(m);
k(m) ——偶数M含有的奇素数因子而形成的素因子系数,也可称为波动系数,可近似反映出实际素对数量的波动幅度。
G(10000000000) = 18200488;
inf( 10000000000 )≈ 18192520.4 , Δ≈-0.0004378,infS(m)= 13644390.26 , k(m)= 1.33333
G(10000000002) = 27302893;
inf( 10000000002 )≈ 27288780.5 , Δ≈-0.0005169,infS(m)= 13644390.27 , k(m)= 2
G(10000000004) = 13655366;
inf( 10000000004 )≈ 13644390.3 , Δ≈-0.0008038,infS(m)= 13644390.27 , k(m)= 1
G(10000000006) = 13742400;
inf( 10000000006 )≈ 13737209.3 , Δ≈-0.0003777,infS(m)= 13644390.27 , k(m)= 1.0068
G(10000000008) = 27563979;
inf( 10000000008 )≈ 27548673.7 , Δ≈-0.0005553,infS(m)= 13644390.27 , k(m)= 2.01905
G(10000000010) = 28031513
inf( 10000000010 )≈ 28018960 , Δ≈-0.0004478,infS(m)= 13644390.28 , k(m)= 2.05351
G(10000000012) = 13654956;
inf( 10000000012 )≈ 13647157.3 , Δ≈-0.0005711,infS(m)= 13644390.28 , k(m)= 1.0002
G(10000000014) = 27361348;
inf( 10000000014 )≈ 27348233.3 , Δ≈-0.0004793,infS(m)= 13644390.28 , k(m)= 2.00436
G(10000000016) = 13708223;
inf( 10000000016 )≈ 13701479.8 , Δ≈-0.0004919,infS(m)= 13644390.29 , k(m)= 1.00418
G(10000000018) = 13781412;
inf( 10000000018 )≈ 13776842.4 , Δ≈-0.0003316,infS(m)= 13644390.29 , k(m)= 1.00971
G(10000000020) = 37335123;
inf( 10000000020 )≈ 37319942.4 , Δ≈-0.0004066,infS(m)= 13644390.29 , k(m)= 2.73519
G(10000000022) = 13653503;
inf( 10000000022 )≈ 13646792.1 , Δ≈-0.0004915,infS(m)= 13644390.29 , k(m)= 1.00018
G(10000000024) = 16587802;
inf( 10000000024 )≈ 16575407.5 , Δ≈-0.0007472,infS(m)= 13644390.3 , k(m)= 1.21481
G(10000000026) = 28871083;
inf( 10000000026 )≈ 28857101.3 , Δ≈-0.0004843,infS(m)= 13644390.3 , k(m)= 2.11494
G(10000000028) = 13665084;
inf( 10000000028 )≈ 13661050.1 , Δ≈-0.0002952,infS(m)= 13644390.3 , k(m)= 1.00122
G(10000000030) = 19127680;
inf( 10000000030 )≈ 19121318.9 , Δ≈-0.0003326,infS(m)= 13644390.3 , k(m)= 1.40141
G(10000000032) = 32355048;
inf( 10000000032 )≈ 32342258.5 , Δ≈-0.0003953,infS(m)= 13644390.31 , k(m)= 2.37037
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