How do you pronounce "factorial"?

In American English: /fæktˈoːɹɪəl/ (fakt-OHR-i-uhl). In British English: /fæktˈɔːɹɪəl/ (fakt-AWR-i-uhl). In Canadian English: /fæktˈoːɹɪəl/ (fakt-OHR-i-uhl). In Australian English: /faktˈɔːɹɪəl/ (FAKT-awr-i).

Is "factorial" pronounced differently in American and British English?

Yes. In American English it's pronounced /fæktˈoːɹɪəl/ (fakt-OHR-i-uhl), while in British English it's /fæktˈɔːɹɪəl/ (fakt-AWR-i-uhl).

How to Pronounce "factorial"

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factorial

regional

/fæktˈoːɹɪəl/

fakt-OHR-i-uhl

Syllable Breakdown

fæktfac·oːɹto·ɪri·əlal

Source

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Last updated: 2026-02-14