Free Practice Question
PS · Problem Solving
sub-505
Divisibility/Multiples/Factors
What is the total of the distinct prime factors of 210?
Answer Choices
Correct answer marked belowA
10
B
12
C
15
D
18
17
Correct
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Explanation
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Official Explanation
Official
To determine: • The total of the distinct prime factors of 210 Method and Calculation: • We can express 210 in terms of its prime factors as [m]2 * 3 * 5 *…
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Comments
2
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B
BelénFeb 6, 2025
Thank for sharing!
G
GuluOct 16, 2024
thank you very much!
What this question tests
What it tests
Your understanding of divisibility rules, least common multiples, and greatest common factors.
Common trap
Forgetting that 1 is not prime and that every integer divides 0.
Details
Difficulty
sub-505
Type
PS
Category