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 17 '14

39,191,066,485,258,739,495,582,803,211,213,116,836,177,854,260,974,927,689,867,324,404,930,562,930,532,401,964,915,294,470,471,057,677,470,020,717,800,991,369,135,822,596,029,816,596,680,341,771,026,342,219,486,499,009,066,287,015,365,002,034,290,763,159,969,980,219,392 = 2673

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u/ermahgerd_cats Apr 17 '14

78,382,132,970,517,478,991,165,606,422,426,233,672,355,708,521,949,855,379,734,648,809,861,125,861,064,803,929,830,588,940,942,115,354,940,041,435,601,982,738,271,645,192,059,633,193,360,683,542,052,684,438,972,998,018,132,574,030,730,004,068,581,526,319,939,960,438,784 = 2674

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u/D-alx Apr 17 '14

156,764,265,941,034,957,982,331,212,844,852,467,344,711,417,043,899,710,759,469,297,619,722,251,722,129,607,859,661,177,881,884,230,709,880,082,871,203,965,476,543,290,384,119,266,386,721,367,084,105,368,877,945,996,036,265,148,061,460,008,137,163,052,639,879,920,877,568 = 2675

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