Commit 2022-12-29 23:16 37a7fc80

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feat: port Data.Int.NatPrime (#1264)

Estimated changes

Modified Mathlib.lean

Created Mathlib/Data/Int/NatPrime.lean

added theorem Int.Prime.dvd_natAbs_of_coe_dvd_sq

added theorem Int.not_prime_of_int_mul

added theorem Int.succ_dvd_or_succ_dvd_of_succ_sum_dvd_mul