Number Theory
Determine specific factors (below 100)
Interactive practice questions
What are the factors of $42$42? Separate the factors with commas.
Easy
1min
What are all the factors of $21$21? Separate the factors with commas.
Easy
< 1min
What are the odd factors of $30$30? Separate the factors with commas.
Easy
1min
What are the even factors of $70$70? Separate the factors with commas.
Medium
1min
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