have hq1 : biggerPrime M ∣ 1 := Iff.mp (Nat.dvd_add_right hqM3) h1
M : ℕ
hqM : ¬biggerPrime M ≥ M
h1 : biggerPrime M ∣ M ! + 1
hqM2 : biggerPrime M ≤ M
hqM3 : biggerPrime M ∣ M !
⊢ False
M : ℕ
hqM : ¬biggerPrime M ≥ M
h1 : biggerPrime M ∣ M ! + 1
hqM2 : biggerPrime M ≤ M
hqM3 : biggerPrime M ∣ M !
hq1 : biggerPrime M ∣ 1
⊢ False