Math
posted by Colton on .
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
HongLi
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.HongLi
D.Adriano
D?

shandi

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

Adriano. two is prime as are all the other numbers in his pattern....
hongli 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.