 <translate> Adadin ya kamata ya zama mai rarrabuwa da: 12, 13, 14, 15 da 16, wato 3*2^2, 13, 2*7, 3*5 da 2^4. Mafi ƙarancin yawan waɗannan lambobi shi ne samfurin 13, 7, 5, 3 da 2^4. Sa'an nan kuma, R/13 shine (13 * 7 * 5 * 3 * 2 ^ 4) / 13 = 7 * 5 * 3 * 16 = 1680. Saboda haka, amsar ita ce (C). <ibo> Nọmba zuru ezu kwesịrị ịbụ nkewa site na: 12, 13, 14, 15 na 16, nke ahụ bụ 3*2^2, 13, 2*7, 3*5 na 2^4. Nke kacha nta n'ime ọtụtụ ndị a integers bụ ngwaahịa nke 13, 7, 5, 3 na 2 ^ 4. Mgbe ahụ, R/13 bụ (13 * 7 * 5 * 3 * 2 ^ 4) / 13 = 7 * 5 * 3 * 16 = 1680. N'ihi ya, azịza ya bụ (C). 