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Factor pairs are two numbers that, when multiplied together, equal another number, or product. For instance, one and 12, two and 6, and three and four are the three factor pairs for the number 12.


The factor pairs of 60 are 1 x 60, 2 x 30, 3 x 20, 4 x 15, 5 x 12 and 6 x 10. The product of each of these number pairs is 60.


The factor pairs of 72 are 1 x 72, 2 x 36, 3 x 24, 4 x 18, 6 x 12 and 8 x 9. The product of each of these number pairs is 72.


A factor pair is a pair of integers whose product is a given number. The factors of a prime number are only 1 and itself. Composite numbers have the factor pair of 1 and itself, as well as at least one other factor pair.


According to a handout called "Ways to Teach Opposites" written by Kevin Stuckey, M.Ed., CCC-SLP, opposites can be listed as concept pairs or demonstrated with a foil. Both are frequently used as ways of teaching children the concept of opposites.


Base pairing is the specific bonding of complementary nucleotide bases to one another in a nucleic acid. In base pairing, a purine bonds with a pyrimidine; specifically, guanine forms a bond with cytosine, and adenine bonds with either thymine or uracil, depending on th...


Some famous pairs include Angelina Jolie and Brad Pitt, Kermit the Frog and Miss Piggy, Hester Prynne and Arthur Dimmesdale, Beyonce Knowles and Jay-Z, and Kurt Cobain and Courtney Love. Dynamic duos come in all forms, from romantic to doomed and fictional to startlingl...