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#Nombres: #Jonathan Carlosma 219011054 #William Nasner 219011194 #Criba de Erathosthenes #n es el entero dado n=10000 numeros =list(range(2,n+1)) #Contiene los numeros menores o iguales que n, se toma n+1 ya que el intervalo no incluye a n. x =[] #Lista Vacia. for m in range (2,n+1): #Para un entero m, 2 ≤ m ≤ n. if m in numeros: if m < sqrt(n): #Condicion de si p es primo, entonces p ≤ √n. for i in range(2*m,n+1,m): #Condicion para la criba de Erathosthenes. if i in numeros: numeros.remove(i) #Elimina los multiplos de i. c= numeros #Guarda los numeros primos menores que o iguales que n. for v in c: #Para un entero v que este en C. if v % 4 == 3: #si v es de la forma 4k +3 sera añadido a la lista x. x.append(v) print(x) #Imprime x que contiene los numeros primos que son de la forma 4k +3 y menores que un n dado.
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