21 и 35; делители 21:(1, 3, <u>7</u> , 21) 35:(1, 5, <u>7</u> , 35) НОД=7 18 и 75 делители 18:(1, <u>3</u> , 6, 9,18) 75:(1, <u>3</u> , 5, 15) НОД=3 60 и 105 делители 60:(1, 2, 3, 4, 5, 6, 10, 12, <u>15</u> , 20, 30, 60) 105:(1, 3, 5, 7, <u>15 </u>, 21, 35 ) НОД=15 168 и 784 делители 168:(<span><span>1,
</span><span>
2,
</span><span>
3,
</span><span>
4,
</span><span>
6,
</span><span>
7,
</span><span>
8,
</span><span>
12,
</span><span>
14,
</span><span>
21,
</span><span>
24,
</span><span>
28,
</span><span>
42,
</span><span><u>56</u> ,
</span><span>
84,
</span><span>
168</span></span>) 784:(<span><span>1, </span><span>2,
</span><span>
4,
</span><span>
7,
</span><span>
8,
</span><span>
14,
</span><span>
16,
</span><span>
28,
</span><span>
49,
</span><span><u>56 </u>,
</span><span>
98,
</span><span>
112</span></span>) НОД=56 36, 72 и 90 делители 36:(<span>1, <span>2,
</span><span>
3,
</span><span>
4,
</span><span>
6,
</span><span>
9,
</span><span>
12,
</span><span><u>18</u> ,
</span><span>
36</span></span>) 72:(<span><span>1,
</span><span>
2,
</span><span>
3,
</span><span>
4,
</span><span>
6,
</span><span>
8,
</span><span>
9,
</span><span>
12,
</span><span><u>18</u> , </span><span>24,
</span><span>
36</span></span>) 90:(<span><span><span>1,
</span><span>
2,
</span><span>
3,
</span><span>
5,
</span><span>
6,
</span><span>
9,
</span><span>
10,
</span><span>
15,
</span><span><u>18</u> ,
</span><span>
30</span></span></span>) НОД=18