Another Look at the Security Analysis of the Modulus N = p 2 q by Utilizing an Approximation Approach for ϕ(N). Punjab Univ. J. Math. [Internet]. 2024 May 2 [cited 2025 Jun. 29];56(5):123-34. Available from: https://pujm.pu.edu.pk/index.php/pujm/article/view/153