AMC8 1996
AMC8 1996 · Q1
AMC8 1996 · Q1. It mainly tests Divisibility & factors, Counting divisors.
How many positive factors of 36 are also multiples of 4?
36 有多少个正因数同时也是 4 的倍数？
(A)
2
2
(B)
3
3
(C)
4
4
(D)
5
5
(E)
6
6
Answer
Correct choice: (B)
正确答案：（B）
Solution
The positive factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. Of these, 4, 12, and 36 are also multiples of 4.
36 的正因数是 1、2、3、4、6、9、12、18 和 36。其中，4、12 和 36 也是 4 的倍数。
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