Which AWS service should the company use to meet these requirements?

Explanations:

AWS IoT Greengrass is designed for extending AWS capabilities to IoT devices and edge computing but mainly focuses on IoT and not on broader application and data processing requirements for factory sites.

AWS Lambda is a serverless compute service for running code in the cloud, but it does not meet the low-latency and local data storage needs for on-premises factory operations.

AWS Outposts extends AWS infrastructure and services to on-premises locations, providing low-latency processing, storage, and the ability to run applications with interdependencies locally.

AWS Snowball Edge provides portable storage and computing for temporary needs but is not suitable for sustained local processing with system interdependencies at factory sites.