Number Theory Trial 1 - P4

Contributed by: bruhmoment

All Submissions
Best Submissions

Difficulty: 9

This problem is tagged with ntt, ntt1.

Find the sum of all primes $p$ s.t. $2^{p-7} \equiv 1 \mod p$.

Please login or sign up to submit and check if your answer is correct.

Advertisement


flag Report Content
You should report content if:
  • It may be offensive.
  • There is something wrong with it (statement or difficulty value)
  • It isn't original.
Thanks for keeping the Math Contest Repository a clean and safe environment!

Join the MCR: Sign up or log in to check your answers. Access 1400+ problems from UWaterloo, MAA, & more, participate in our weekly challenges, and take part in our monthly contests to compete with hundreds of others.