Identify the number as prime or composite. See Example 1.
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EXAMPLE 1 Distinguishing between Prime and Composite Numbers
Decide whether each number is prime or composite.
(a) 33 Since 33 has factors of 3 and 11, as well as 1 and 33, it is composite.
(b) 43 Since there are no numbers other than 1 and 43 itself that divide evenly into 43, the number 43 is prime.
(c) 9832 Since 9832 can be divided by 2, giving 2 × 4916, it is composite.
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