Prime Curios!: 77777...77777 (49-digits)

77777...77777 (49-digits)
(just those submitted by Hartley)

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GIMPS has discovered a new largest known prime number: 2^82589933-1 (24,862,048 digits)

777777779 9999779666 9779686977 9666977999 9977777777

Just showing those entries submitted by 'Hartley': (Click here to show all)

1111111122222112000211202021120002112222211111111 +

3333333300000330666033065603306660330000033333333 +

3333333377777337000733701073370007337777733333333 =

7777777799999779666977968697796669779999977777777 .

All four numbers are square-congruent primes. [Hartley]