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Mathematics 9 Online
OpenStudy (anonymous):

all even numbers are composite. t or f?

OpenStudy (johnweldon1993):

Well ....a composite number...must be positive...and have at least one positive divisor other than one or itself. All even numbers are composite numbers? well lets think....look at the number 2....it's a prime number....it only is divisible by itself and 1....so that is not true.....even numbers can also be negative numbers...-2, -4 etc... so this makes it incorrect as well... so your answer...is false

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