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areynolds116
Mar 31, 2009, 07:01 PM
What two numbers, if multiplied, would generate a 400-digit number?

Capuchin
Apr 1, 2009, 12:15 AM
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ngasnier
Apr 6, 2009, 12:16 PM
I think that the numbers

(10e200 + 1) and (10e200 + 3)

Would yield a 400 digit number when multiplied together

ngasnier
Apr 7, 2009, 06:20 PM
I think that the numbers

(10e200 + 1) and (10e200 + 3)

would yield a 400 digit number when multiplied together

both the integers (when you add 1 to 10e200 and when you add 3 to 10e200) are prime