App Detail » Prime Factors

What's New

Updates for iOS 14. Now able to view numbers from 1 to 1,000,000,000,000.

App Description

Scroll through the numbers from 1 to 1,000,000,000,000. See which numbers are Prime and view the Prime Factors of the Composite numbers. Jump directly to a number to see if your phone number or social security number is Prime.

• Prime Numbers are marked with a red circle
• Prime Factors can be viewed by tapping on a number
• Pinch and Zoom to change the number of columns

App Changes

• June 12, 2014 Initial release
• June 15, 2019 New version 1.1.1
• July 15, 2020 New version 2.0
• October 23, 2020 New version 2.1
• December 10, 2020 New version 2.5