classify prime & composite numbers from : 1,3,7,9,12,21 ,23,39,45,47,49,50
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prime numbers.- 3,7,23,47
Step-by-step explanation:
composite numbers - 9,12,21,39,45,49,50
prime numbers are the numbers that have one and the number itself as it's factor. eg.3 it has 1 and 3 as it's factor. composite numbers have one other numbers and the number itself as it's factor . eg 9.It has 1,3,and the number itself that is 9 as it factors.so 9 is a composite number.
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