Factors: 1, 2, 3, 6, 7, 14, 21, 42 Multiples: 42, 84, 126 and so on.
Factors: 1, 2, 3, 6, 7, 14, 21, 42 Multiples: 42, 84, 126 and so on.
35, 42, and 49
42, and all multiples of 42.
The factors of 7 are 1 and 7. Neither of them are multiples of 42. Put the other way, 7, 14, 21 and 42 are multiples of 7 that are factors of 42.
Factors: 1, 2, 7, 14 Multiples: 14, 28, 42 and so on.
Factors: 1, 3, 7, 21 Multiples: 21, 42, 63, 84 and so on.
Multiples don't add. Addends add, like 13 + 14 + 15 = 42 but I suspect you want factors, specifically prime factors. 2 x 3 x 7 = 42
1, 2, 3, 6, 7, 14, 21, 42 42, 84, 126 and so on
1344 is a multiple of 42. 42 is a factor of 1344. Factors go into numbers, numbers go into multiples.
14 - 1 = 13
Factors of 126 are 1, 2, 3, 6, 7, 18, 21, 42, 63, 126 Of those factors, 3, 6, 18, 21, 42, 63, 126 are multiples of 3.