75757...75757 (6249-digits)
This number is a prime.
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7(57)_3124 = (75*10^6249-57)/99 is a palindromic prime containing
the two largest possible smoothly undulating prime digits (i.e.,
5 and 7). This number, also called smoothly undulating palindromic
prime (SUPP), is the "sister" of 3(23)_3479 = (32*10^6959-23)/99. [Rosenthal and
Martin]
Submitted: 2003-09-03 22:09:14; Last Modified: 2008-01-30 17:28:00.
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