... 259– NUMBERS AND OPERATIONS REVIEW–41Real Numbers All numbers on the SAT are real numbers. Real numbers include the following sets:■Whole numbers are also known as counting numbers. 0,1,2,3,4,5,6, ... shared by 28 and 21.Practice QuestionWhat are the common factors of 48 and 36?a. 1, 2, and 3b. 1, 2, 3, and 6c. 1, 2, 3, 6, and 12d. 1, 2, 3, 6, 8, and 12e. 1, 2, 3, 4, 6, 8, and 12Answerc. ... THOUSANDTHS– NUMBERS AND OPERATIONS REVIEW–55Practice QuestionThe number –16 belongs in which of the following sets of numbers? a. rational numbers onlyb. whole numbers and integersc. whole numbers, ...