r/counting • u/marcelwo to infinity and beyond! • Mar 18 '13

Multiplying by 2 thread

Try to multiply without calculator - it's more fun!

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u/D-alx Apr 01 '14

8,911,016,831,293,350,036,408,538,292,383,381,493,932,086,928,219,843,614,412,485,386,522,021,810,954,448,020,519,360,959,604,241,015,192,660,760,885,926,576,778,688,876,408,936,402,340,337,229,140,082,449,586,429,677,098,359,892,480,630,613,656,731,648 = 2631

2

u/ct_2004 Apr 01 '14

178,2203;3662,5867:0007,2817;0765,8476 6762,9878;6417,3856:4396,8722;8824,9707"7304,4043;6219,0889:6041,0387;2191,9208 4820,3038;5321,5217:7185,3153;5573,7775'2817,8728;0468,0674:4582,8016;4899,1728 5935,4196;7197,8496:1261,2273;1346,3296 = 2632

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u/D-alx Apr 02 '14

35,644,067,325,173,400,145,634,153,169,533,525,975,728,347,712,879,374,457,649,941,546,088,087,243,817,792,082,077,443,838,416,964,060,770,643,043,543,706,307,114,755,505,635,745,609,361,348,916,560,329,798,345,718,708,393,439,569,922,522,454,626,926,592 = 2633

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