6.18,27, and 45 are multiples of what number?
a.5 b.6 c.9 d.12
7.these are numbers with more than two factors
A.prime numbers B.composite numbers C.factors
D.multiples
8.which of the following is a composite number?
A.11 B.13 C.15 D.17
9.which of these numbers is a prime number?
A.27 B.37 C.57 D.77
10.all of the following are composite number except__
A.2 B.4 C.6 D.8
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7. B
8. C
9. B, C, or D
10. A
Answer:
6.c
7.b
8.c
9.c or d
10.a