搜索号码
库松n。  双素数

属于这两组的第一个数字:

5,29,41,281,641,809,1049,1229,1289,1481,2129,2141,2549,2969,3329,3389,3821,4481,5441,5501,5741,5849,6269,6449,6761,7349,8969,9629,10529,10709,11549,12041,12821,13001,13901,14009,14081,14249,14321,14561,15269,17681,18041,19889,20441,22481,22541,23561,23669,23909,25601,27281,27581,29021,30269,30389,31721,32141,32561,33749,33809,35081,36929,38669,41609,42221,43541,43649,44129,46181,46349,46589,47741,50021,50261,50969,52289,52361,53549,54401,55661,56909,56921,57329,58601,59021,60761,61469,62981,64301,66749,68489,69029,70181,72101,72269,74201,74381,74729,75389,76001,76421,77261,78509,79841,80669,80681,81281,81701,81929,82529,82721,82889,84629,85829,87149,87221,88661,92681,92861,95789,97001,98321,98561,100361,106121,109841,111029,112289,114641,115469,115781,117041,117329,117989,118169,119849,119921,119981,120941,122201,124121,124769,124781,127709,128549,129221,129401,132329,133709,135281,135461,136949,139589,140069,140681,142589,143501,145721,147029,150989,151241,151769,151901,152081,152441,153509,156941,159629,161561,162821,164621,166349,166781,167021,167309,168449,171401,172421,173021,175781,176021,176549,180749,181001,183509,183569,184829,187469,189041,189389,190709,193181,193601,194861,195161,196169,196541,196769,197369,198221,201209,201401,202061,203429,204329,204749,207341,210401,211049,211229,211661,211889,219941,220469,221069,221621,223061,223841,224069,225749,227189,227609,228521,229961,230309,231821,232409,232709,233069,233141,234341,237689,241049,241781,244301,245909,246929,251969,260009,260189,260861,262049,262109,262649,263909,266081,266681,270269,270761,271769,272201,274121,275921,276821,278741,281549,282389,286589,287849,288989,289241,291041,291101,302189,304901,305741,308849,312209,312941,315449,316241,316469,317321,317489,317741,317969,318749,320009,320081.

一些较大的示例: