The positive integer multiples of 7 which give results between 70 and 420 are:
10 x 7 = 70
11 x 7 = 77
12 x 7 = 84
13 x 7 = 91
14 x 7 = 98
15 x 7 = 105
16 x 7 = 112
17 x 7 = 119
18 x 7 = 126
19 x 7 = 133
20 x 7 = 140
21 x 7 = 147
22 x 7 = 154
23 x 7 = 161
24 x 7 = 168
25 x 7 = 175
26 x 7 = 182
27 x 7 = 189
28 x 7 = 196
29 x 7 = 203
30 x 7 = 210
31 x 7 = 217
32 x 7 = 224
33 x 7 = 231
34 x 7 = 238
35 x 7 = 245
36 x 7 = 252
37 x 7 = 259
38 x 7 = 266
39 x 7 = 273
40 x 7 = 280
41 x 7 = 287
42 x 7 = 294
43 x 7 = 301
44 x 7 = 308
45 x 7 = 315
46 x 7 = 322
47 x 7 = 329
48 x 7 = 336
49 x 7 = 343
50 x 7 = 350
51 x 7 = 357
52 x 7 = 364
53 x 7 = 371
54 x 7 = 378
55 x 7 = 385
56 x 7 = 392
57 x 7 = 399
58 x 7 = 406
59 x 7 = 413
60 x 7 = 420
The sum of all these products is 12495.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
190 in the ratio 7:6
140, 280, 420, 560, 700.
60, 120, 180, 240, 300, 360, 420.
The lowest common multiple of 7 and 12 is 84. Therefore, the multiples of 7 and 12 are multiples of 84. The first five are: 84 168 252 336 420
70, 140, 210, 280, 350, 420, 490
the first three common multiples of 7, 20, and 35 are 140, 280, and 420
The product of 7 and 60 is 420. The sum of 7 and 60 is 67.
56, 63, 70 and 77
6 times 70 is 420. If you know 6 times 7 do that and add a zero
140, 280, 420 and so on.
Any multiple of 420
140, 280, 420 and so on.
The first common multiple of 3 4 5 and 7 is 420.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
84, 168, 252, 336, 420, 504, 588
It is likely that you mean "multiples." Factors go into numbers, numbers go into multiples. You can't have a factor higher than the original number. 70, 140, 210, 280, 350, 420, 490 But, just in case... 1, 2, 5, 7, 10, 14, 35, 70