1. Divisibility Test for a Number 37
Author: K.V. Narayana and A. Ganesh DOWNLOAD
DOI:
Abstract
The number 37 is the first two-digit prime number where both digits 3 and 7 are odd primes. A special property of 37 is that digits repeat
when it is multiplied by 3, 6, 9, 12, 15, 18, 21, 24, and 27 (e.g., 37×3 = 111,37 × 27 = 999).
Keywords
Divisibility test, congruences, prime number, Natural numbers.