Product of all prime numbers less than 20

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by [email protected] » Sat Aug 12, 2017 3:33 pm
Hi Amzad Sakik,

Each of the 20s in the product (10)(20)(10)(10)(20)(20) can be rewritten as (2 x 10)....

(10)(2 x 10)(10)(10)(2 x 10)(2 x 10)

Since (2)(2)(2) = 8..... the above product can be rewritten as...
8 x 10^6

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