### New World Record Near-repdigit Palindrome Prime

The base ten near-repdigit palindrome 10^290253-2*10^145126-1 is a prime number. It's the largest known palindromic prime, and only the second known prime of the form 10^(2*x+1)-2*10^x-1 (correction: for x>0).

Written out, it's 145126 nines, a seven, and 145126 more nines.

Written out, it's 145126 nines, a seven, and 145126 more nines.

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