Question

Four students each made a list of prime numbers

Eric: 5 ,7,17,23
Maya:3,5,1317
Balla:2,317,19
Jordan:7,11,13,21
Who made an error and included a composite number?write the composite number from his list

Answer 1

Jordan, 7 goes into 21
7•3=21

Answer 2

The person who made the error was Jordan the composite number was 21 which would be 7x3 composites can be divided but prime only by 1