What is the product of the GCF and LCM of 12 and 21?

GCF is the abbreviation for Greatest Common Factor and LCM is the abbreviation for Least Common Multiple.

"The product of the GCF and LCM of 12 and 21" means that you want to multiply the GCF of 12 and 21 by the LCM of 12 and 21. In mathematical terms, you want to solve this:

GCF(12,21) x LCM(12,21)

Therefore, to get the answer, we first calculate the GCF and LCM of 12 and 21. The GCF of 12 and 21 and LCM of 12 and 21 are as follows:

GCF(12,21) = 3
LCM(12,21) = 84

Then we multiply the GCF and LCM together to get the answer to "What is the product of the GCF and LCM of 12 and 21?" Like this:

3 x 84 = 252

Product of GCF and LCM Calculator
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