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Earn +20 ptsQ: What pair of numbers has an LCM of 21?
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Which pair of numbers has an LCM of 21?
They are 3 and 7
What is the product of the GCF and LCM of two numbers?
The product of the GCF and LCM of a pair of numbers is equal to the product of the numbers.
How do you find two numbers if HCF and LCM are known?
The product of the GCF and the LCM of two numbers is equal to the product of the original two numbers. Multiply the GCF and the LCM. The original two numbers will be another factor pair of that total. Find the factor pair that has that GCF and LCM.
Can the LCM of a pair of numbers ever be less than both numbers?
No.
Which pair of numbers has 36 as the LCM?
9 and 12
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