Answer:
1147
Explanation:
If both prime numbers were the same, they would be between √1000 ≈ 31.6 and √1500 ≈ 38.7. Prime numbers in that neighborhood are 31, 37, 41. The product 37×41 is 1517, so is too high. The product 31×37 is 1147, in the right range.
Maritza's PIN is 1147.