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Find all factor pairs of whole numbers 1โ100 and identify prime and composite numbers.
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A factor of a number divides evenly into that number (no remainder).
Factors of 12: 1, 2, 3, 4, 6, 12 Because: , , , etc.
Practice problem for Factors and Factor Pairs (Basic)
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Practice problem for Factors and Factor Pairs (Intermediate)
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Factors come in pairs that multiply to give the number:
Factor pairs of 24: , , ,
Start dividing by 1, 2, 3, 4, ... Stop when the pairs start repeating.
Example: Find all factors of 36
Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36
A multiple of a number is the product of that number and any whole number.
Multiples of 5: 5, 10, 15, 20, 25, 30, ...
Remember: Every number is a factor of itself and a multiple of itself.
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Practice problem for Factors and Factor Pairs (Applied)
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Practice problem for Factors and Factor Pairs (Advanced)
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Practice problem for Factors and Factor Pairs (Challenge)
This is a challenging problem that combines concepts.
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