Prime Factorizatio

Is Number a Factor - From Variable as Factors (Level 2)

This math topic focuses on prime factorization and determining whether one number is a factor of another. Each problem presents two numbers in prime factor form and poses the question of whether the first number is a factor of the second. The skills practiced here include identifying and working with prime factors, understanding multiple factors, and applying this knowledge to factorization problems within the broader context of factoring and finding the greatest common factor.

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Is Number a Factor - From Variable as Factors

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Is b a factor of 210

b=357210=2357is b a factor of210?\begin{align*}b &= 3 \cdot 5 \cdot 7\\\\[-0.5em]210 &= 2 \cdot 3 \cdot 5 \cdot 7\end{align*}\\\\ \textsf{is }b\textsf{ a factor of}\\210?

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