<em><u>Answer: ⇒ C. 75</u></em>
<u><em>"The least common multiple of 5, 25, and 15 is 75."</em></u>
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Step-by-step explanation:
Factors of 5: 1, 5
Factors of 25: 1, 5, 25
Factors of 15: 1, 3,5,15
5*1=5
3*5=15
5²=5*5=25
5²*3=5*5=25*3=75
75 it's the correct answer.
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