Pietro Cataldi

Pietro Antonio Cataldi (1552 - 1626) Italian mathematician, astronomer, author and educator.

Still a teenager, Cataldi started his teaching career in 1567, and contrary to the custom of the day, he conducted class in the Bolognese dialect of Italian rather than in Latin. In addition to teaching, Cataldi also consulted with the military, his work on the calculation of roots, using continued fractionsMathworldPlanetmath, was intended for practical artillery applications. After teaching in Florence and Perugia, Cataldi returned to Bologna in 1584, where he then taught astronomy in addition to mathematics, until his death. In 1588, Cataldi discovered two consecutive Mersenne primesMathworldPlanetmath, 131071 and 524287, and was for almost two centuries the discoverer of the largest known prime number.

In addition to his own books on arithmetic, number theoryMathworldPlanetmathPlanetmath, and geometry, Cataldi also worked on an Italian edition of Euclid’s Elements.

Title Pietro Cataldi
Canonical name PietroCataldi
Date of creation 2013-03-22 18:05:07
Last modified on 2013-03-22 18:05:07
Owner Mravinci (12996)
Last modified by Mravinci (12996)
Numerical id 4
Author Mravinci (12996)
Entry type Biography
Classification msc 01A40
Classification msc 01A45