50,624,626 51,68,85 51,140,149 51,432,435 51,1300,1301 52,165,173 52,336,340 52,675,677 53,1404,1405 54,72,90 54,240,246 54,728,730 55,132,143 55,300,305 55,1512,1513 56,90,106 56,105,119 56,192,200 56,390,394 56,783,785 57,76,95 57,176,185 57,540,543 57,1624,1625 58,840,842 59,1740,1741 60,63,87 60,80,100 60,91,109 60,144,156 60,175,185 60,221,229 60,297,303 60,448,452 60,899,901 61,1860,1861 62,960,962 63,84,105 63,216,225 63,280,287 63,660,663 63,1984,1985 64,120,136 64,252,260 64,510,514 64,1023,1025 65,72,97 65,156,169 65,420,425 65,2112,2113 66,88,110 66,112,130 66,360,366 66,1088,1090 67,2244,2245 68,285,293 68,576,580 68,1155,1157 69,92,115 69,260,269 69,792,795 69,2380,2381 70,168,182 70,240,250 70,1224,1226 71,2520,2521 72,96,120 72,135,153 72,154,170 72,210,222 72,320,328 72,429,435 72,646,650 72,1295,1297 73,2664,2665 74,1368,1370 75,100,125 75,180,195 75,308,317 75,560,565 75,936,939 75,2812,2813 76,357,365 76,720,724 76,1443,1445 77,264,275 77,420,427 77,2964,2965 78,104,130 78,160,178 78,504,510 78,1520,1522 79,3120,3121 80,84,116 80,150,170 80,192,208 80,315,325 80,396,404 80,798,802 80,1599,1601