Factors and product

In the multiplication of two integers with each other these two integers are referred to as factors and the result of their multiplication is called as product.

For example in
5 x 2 = 10

5 and 2 are factors and 10 is product.

Further Reading:
Cracking the GRE, 2010 Edition (Graduate School Test Preparation)

Kaplan GRE Exam Vocabulary in a Box

Barron's GRE

Essential Words for the GRE (Barron's Essential Words for the GRE)

Kaplan GRE Exam 2010-2011 Premier with CD-ROM (Kaplan GRE Premier Program (W/CD))