9
QuizMultiple Choice
Prime Numbers and Prime Factorization
Question 9 • *WHS Pre-Algebra - MA3119 A-CR
The prime factorization of a number is . Which statement is true about the factors of the number?
Answer
A
Twenty-one is a factor of the number because both 3 and 7 are prime factors.B
Twenty-one is not a factor of the number because 21 is not prime.C
Ninety is a factor of the number because and 90 is divisible by 9.
D
Ninety is not a factor of the number because 90 is not divisible by 7.