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31-05-2016
Mathematics

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List all the factors of 19. Tell whether 19 is prime or composite.

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joinustocontinue joinustocontinue

02-06-2016

Prime numbers are numbers that have only two factors: 1 and itself (example 2 = 1*2, 3 = 1*3)
19 is a prime number because it's only factors are 1 and 19 (itself)

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