Question

Sally made the conjecture that the sum of any two prime numbers is a prime number.

Which equation is a counterexample to her conjecture?

A.
15 + 4 = 19

B.
2 + 5 = 7

C.
2 + 11 = 13

D.
3 + 11 = 14

Answer 1

@RhondaSommer

Answer 2

sorry hun

Answer 3

its ok

Answer 4

so its asking you to find the equation that has two prime numbers added together but equals something that isnt a prime number

Answer 5

what is a prime number

Answer 6

@RhondaSommer

Answer 7

a number that cant be divided into smaller parts

Answer 8

ok

Answer 9

so B

Answer 10

7 is a prime number

Answer 11

ok

Answer 12

*hint*the only one that will be correct is the one that ends with a not-prime number

Answer 13

ok

Answer 14

C

Answer 15

13 is a prime number

Answer 16

can you divide 14 by something?

Answer 17

@littleelfie

Answer 18

I DONT WANT YOU TO GET THIS WRONG

Answer 19

im sorry i crashed

Answer 20

lol