Which of the following is a non-prime factor of 70? Select one: A. 5 B. 7 C. 10 D. 15
2 answers:
Answer:
a non prime factor of 70 is 10
the answer is c.
10 is a multiple of 70
Answer:
C. 10
Step-by-step explanation:
by deduction, 5 and 7 are prime numbers and 15 is not a multiple of 70, therefore the answer must be 10 as it is a non-prime number and is a factor of 70 (I.e. 10 and 7)
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