Consider the following statements regarding the Major Atmospheric Cherenkov Experiment (MACE):

1. MACE is the largest imaging Cherenkov telescope in the world, located in Hanle, Ladakh.

2. The primary goal of MACE is to study gamma rays with energies exceeding 20 billion electron volts (eV).

3. The MACE telescope was built by the Indian Space Research Organisation (ISRO) in collaboration with other Indian institutions.

How many of the statements given above is/are correct?