Prime & Factors Publisher: Pochang Chen Genre: Education Released: 3 Oct, 2019 Size: 40.4 MB Price: FREE! Click here to request a review of this app App Store Info Description Enjoy fun video and music while using math tools. Check prime number and factors for you. 幫忙找出質數,因數分解,還可聽音樂,看療癒小影片 Screenshots Screenshot 1 of 2