For PRINCE2 Foundation training, there are no prerequisites. But, for PRINCE2 Practitioner training, a participant should have either one of the below-mentioned certifications that include:
PRINCE2 Foundation
Project Management Professional (PMP)
Certified Associate in Project Management (CAPM)
IPMA Levels A to D (any one of them)
Project Management Qualification (PMQ)
Project Professional Qualification (PPQ)