A: This is a multiple of 7 because 21 / 7 = 6. This is a multiple of 5 because 21 / 5 = 6. This is a multiple of 3 because 21 / 3 = 6. This is a multiple of 2 because 21 / 2 = 6. This is a multiple of 1 because 21 / 1 = 6. The answer is (A).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:When 21 is divided by positive integer j, the remainder is 6. For how many values of j is this true? Answer Choices: A)1 B)3 C)5 D)7 E)9