Prime Number Checker vs GlobeRise

The Prime Number Checker is a fast, beautiful and handy app to determine if a certain number is a prime number. A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. Prime numbers are used in many fields, including mathematics and cryptography. In cryptography, they are especially useful since big prime numbers are extremely hard to factorize. Thus, they are the core of many cryptographic algorithms.

Explore the whole world with GlobeRise — an interactive geography app created for curious minds and geography enthusiasts. Spin the 3D globe, select a country, and discover useful facts about places around the world. Learn at your own pace or challenge your geography knowledge through engaging quizzes. FEATURES • Explore all 195 countries on an interactive 3D globe • Discover capitals, population, area, currencies, languages and more • Browse flags from around the world • Test your knowledge with geography and flag quizzes • Choose between different quiz categories and difficulty levels • Search for countries, cities, capitals and country codes • Use GlobeRise in English, Norwegian, French or Spanish GlobeRise makes learning geography visual, interactive and fun. Whether you are studying, travelling, competing with friends or simply curious about the world, there is always something new to discover. Upgrade to GlobeRise Pro with a one-time purchase to unlock additional content and quiz experiences.