Python script to compute prime fractorization.

prime_factorization.py

#! /usr/local/bin/python3.6
"""
Prime fractorization
"""
import sys
import traceback


class PrimeFractorization:
    def __init__(self):
        self.a = 2

    def decomposit_prime(self, n):
        try:
            while n >= self.a * self.a:
                if n % self.a == 0:
                    print(self.a, "* ", end="")
                    n //= self.a
                else:
                    self.a += 1
            print(n)
        except Exception as e:
            raise


if __name__ == '__main__':
    if len(sys.argv) < 2:
        print("USAGE: ./prime_factorization.py N")
        sys.exit(0)
    try:
        obj = PrimeFractorization()
        obj.decomposit_prime(int(sys.argv[1]))
    except Exception as e:
        traceback.print_exc()
        sys.exit(1)