v3.26.1
Cover
Jun. 05, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 05, 2026
Current Fiscal Year End Date --12-31
Entity File Number 001-42629
Entity Registrant Name FACTORIAL ENERGY INC.
Entity Central Index Key 0002049662
Entity Tax Identification Number 42-2967285
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 805 Middlesex Turnpike
Entity Address, City or Town Billerica
Entity Address, State or Province MA
Entity Address, Postal Zip Code 01821
City Area Code 617
Local Phone Number 315-9733
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Series A Common Stock, par value $0.00001 per share  
Title of 12(b) Security Series A Common Stock, par value $0.00001 per share
Trading Symbol FAC
Security Exchange Name NASDAQ
Warrants, each whole warrant exercisable for one share of Series A Common Stock at an exercise price of $11.50  
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of Series A Common Stock at an exercise price of $11.50
Trading Symbol FACWW
Security Exchange Name NASDAQ