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An Abundance of Features
Number Theory Calculator can calculate the greatest common divisor or least common multiple of two numbers, tell you if a number is prime, list all the factors of a number, solve linear Diophantine equations, and solve linear congruences.
Modern Design
Enjoy Number Theory Calculator's modern design and easy-to-use user interface!
Work with a Large Range of Numbers
Number Theory Calculator is able to perform all of its functions with integers from 0 to 9,007,199,254,740,992
Free!
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