Abstract
For any integer , there are infinitely many primes congruent to . In this note, the elementary argument of Thangadurai and Vatwani is modified to improve their upper estimate of the least such prime when itself is a prime greater than or equal to 5.
Citation
Jackson Morrow. "On the least prime congruent to 1 modulo $n$." Involve 8 (2) 357 - 359, 2015. https://doi.org/10.2140/involve.2015.8.357
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