Factors & Primes

Factors & Primes - Factors Primes Composite Numbers...

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Factors, Primes & Composite Numbers by Monica Yuskaitis
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Definition Product – An answer to a multiplication problem. 7 x 8 = 56 Product
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Definition Factor – a number that is multiplied by another to give a product. 7 x 8 = 56 Factors
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Definition Factor – a number that divides evenly into another. 56 ÷ 8 = 7 Factor
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What are the factors? 6 x 7 = 42 7 x 9 = 63 8 x 6 = 48 4 x 9 = 36 6 & 7 7 & 9 8 & 6 4 & 9
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What are the factors? 42 ÷ 7 = 6 63 ÷ 9 = 7 48 ÷ 6 = 8 36 ÷ 9 = 4 7 9 6 9
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Definition Prime Number – a number that has only two factors, itself and 1. 7 7 is prime because the only numbers that will divide into it evenly are 1 and 7.
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Examples of Prime Numbers 2, 3, 5, 7, 11, 13, 17, 19 Special Note: One is not a prime number.
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Definition Composite number – a number that has more than two factors. 8 The factors of 8 are 1, 2, 4, 8
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Examples of Composite Numbers 4, 6, 8, 9, 10, 12, 14, 15 Special Note: Every whole number from 2 on is either composite or prime.
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Our Lonely 1 Special Note: One is not a prime nor a composite number.
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