Work out whether numbers are prime or composite.
Find all the factors of a number.
Is That Prime? can manage numbers up to 9999999999999.
Calculates factors in less than a few seconds!
Is That Prime? works with any iPhone, iPod Touch or iPad running iOS 3.0 or later
Is That Prime? Is the most powerful and intuitive prime number, composite number and factor calculator on the app store. It’s also the fastest taking mere seconds for calculations of even the largest of numbers. Is That Prime? Tells you whether a number is prime or composite, and can then tell you the number’s factors, listing them in a grouped format or an ascending format. It can handle calculations of numbers up to 9999999999999.
Whats New In Version 2.1
Factors can now be displayed in grouped or ordered format.
Now supports calculations for numbers up to 9999999999999.
Various other fixes and improvements.
Best Factor Calculator In The World
Is That Prime? can calculate factors like no other desktop, mobile or web application ever. It has the highest range of numbers, exceeding 9 trillion and it is also the fastest, taking less than a few seconds to calculate all the factors of up to 9999999999999. The simple and easy to use interface offers an unprecedented experience for the user.
Let it do the Math
No need to do the math in your head anymore. Is That Prime? automatically calculates whether the number is prime or composite as well as all of its factors.
Ready for prime time - ★★★★★
Sick - ★★★★★
this is awesome