Scroll through the numbers from 1 to 100,000,000,000. 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
Updated for latest devices, and added support for dark mode.
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Up to six family members will be able to use this app with Family Sharing enabled.