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MathVine-Pre-Algebra PrimeorComposite Name______________________________ Date__________________Period_____ PrimeorComposite. 1) Isthewholenumber170primeorcomposite? 2) Isthewholenumber73primeorcomposite? 3) Isthewholenumber72primeorcomposite? 4) Isthewholenumber46primeorcomposite? 5) Isthewholenumber44primeorcomposite? 6) Isthewholenumber100primeorcomposite? 7) Isthewholenumber178primeorcomposite? 8) Isthewholenumber122primeorcomposite? 9) Isthewholenumber87primeorcomposite? 10) Isthewholenumber36primeorcomposite? MathVine-Pre-Algebra PrimeorComposite Name______________________________ Date__________________Period_____ PrimeorComposite. 1) Isthewholenumber170primeorcomposite? Answer:Composite 2) Isthewholenumber73primeorcomposite? Answer:Prime 3) Isthewholenumber72primeorcomposite? Answer:Composite 4) Isthewholenumber46primeorcomposite? Answer:Composite 5) Isthewholenumber44primeorcomposite? Answer:Composite 6) Isthewholenumber100primeorcomposite? Answer:Composite 7) Isthewholenumber178primeorcomposite? Answer:Composite 8) Isthewholenumber122primeorcomposite? Answer:Composite 9) Isthewholenumber87primeorcomposite? Answer:Composite 10) Isthewholenumber36primeorcomposite? Answer:Composite MathVine-Pre-Algebra PrimeorComposite Name______________________________ Date__________________Period_____ SolutionSteps 1) Isthewholenumber170primeorcomposite? 170(170iseven)→Yes Because2isadivisorof170,170isacompositenumber 2) Isthewholenumber73primeorcomposite? 73(73isnoteven)→No 73(7+3 = 10,and→/3=No)NoNo 73 → No 73isnotdivisibleby7 Because73hasnofactorsotherthan1and73,73isaprimenumber 3) Isthewholenumber72primeorcomposite? 72(72iseven)→Yes Because2isadivisorof72,72isacompositenumber 4) Isthewholenumber46primeorcomposite? 46(46iseven)→Yes Because2isadivisorof46,46isacompositenumber 5) Isthewholenumber44primeorcomposite? 44(44iseven)→Yes Because2isadivisorof44,44isacompositenumber 6) Isthewholenumber100primeorcomposite? 100(100iseven)→Yes Because2isadivisorof100,100isacompositenumber 7) Isthewholenumber178primeorcomposite? 178(178iseven)→Yes Because2isadivisorof178,178isacompositenumber 8) Isthewholenumber122primeorcomposite? 122(122iseven)→Yes Because2isadivisorof122,122isacompositenumber 9) Isthewholenumber87primeorcomposite? 87(87isnoteven)→No 87(8+7 = 15,and→/3=Yes)YesYes Because3isadivisorof87,87isacompositenumber 10) Isthewholenumber36primeorcomposite? 36(36iseven)→Yes Because2isadivisorof36,36isacompositenumber