[RevEng] Challenge/keygenme #88: a hint

For a keygenme #88 I posted half a year ago. Here is a hint: this is RSA.

I hope to publish a full write-up about it in this year.

(17-Sep-2022) Hint #2: CADO-NFS can factor this modulus within a day on a off-the-shelf computer.

(the post first published at 20220827.)

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