Respuesta :
Answer:
2 x 3 x 7
Step-by-step explanation:
Thats the answer I'm not guessing but I dont know how to explain thourghly.
The best i can explain it would be that A the numbers can't be divided further. In C 14b can be therefore it isnt C its A! ( B and D dont equal 42)
The first one because 2,3, and 7 are all prime numbers and a prime factorization.
