Uploaded February 2021 | Updated September 2026, 2 weeks ago
This lecture is part of an online undergraduate course on the theory of numbers.
We define primitive roots, and show that all primes have primitive roots.
Correction: At 16:00 two of the square roots of 1 should be (2^k)/2 +1, (2^k)/2-1, not 2^k/2, -2^k/2.
For the other lectures in the course see youtube.com/playlist?list=PL8yHsr3EFj52Qf7lc3HHvHRdIysxEcj1H
This lecture is part of an online undergraduate course on the theory of numbers.
We define primitive roots, and show that all primes have primitive roots.
Correction: At 16:00 two of the square roots of 1 should be (2^k)/2 +1, (2^k)/2-1, not 2^k/2, -2^k/2.
For the other lectures in the course see youtube.com/playlist?list=PL8yHsr3EFj52Qf7lc3HHvHRdIysxEcj1H
