A detailed look at the importance of prime numbers, not only in math, but also in science and in the field of cryptography. [28:27]

This video tutorial demonstrates how to simplify radicals using prime factorization. The lesson includes detailed examples. There is also a self-assessment for learners to check themselves. Video

How can we estimate the number of primes up to x?

This video lesson from Khan Academy is designed for high school, or college students, who are enrolled in a computer science course. The following question is addressed: How can we estimate the number of primes up to x?