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Math

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4 students each wrote 2 number patterns

Shandi
3,6,9,12... 5,15,20,25
Latrell
1,3,5,7...3,5,7,9
Hong-Li
0,1,3,6...1,2,4,7
Adriano
2,3,5,7...11,13,17,19

Which student's number patterns used only prime numbers?
A.Shandi
B.Latrell
C.Hong-Li
D.Adriano
D?

  • Math -

    shandi

  • Math -

    Don't prime numbers have only 1 factor? So Shandi has composite numbers?

  • Math -

    Adriano. two is prime as are all the other numbers in his pattern....
    hong-li wrote 6 and 6 can be divided by 2 and 3 therefore not prime.
    Latrell wrote 9 and that can be divided by 3 so 9 is not prime.

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