 # Prime and Composite Factors: – When 2 or more numbers are multiplied, each number is called a factor of the product Ex) 1 x 5 = 52 x 5 = 10 1 x 10 = 10.

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Prime and Composite Factors: – When 2 or more numbers are multiplied, each number is called a factor of the product Ex) 1 x 5 = 52 x 5 = 10 1 x 10 = 10 ** There are special types of numbers**

Neither prime nor composite: 0 and 1 Prime Numbers A whole number that has exactly 2 factors, 1 and itself. Ex) 2, 3, 5, 7, 11…… Composite Numbers A number greater than 1 with more than 2 factors. Ex) 6 10 18

Tell whether each number is prime, composite or neither. 1.282. 373. 81 4. 05. 196. 63

Prime factorization: - Every composite number can be expressed as a product of prime numbers. 362981 Use: FACTOR TREES

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