Factorisations is valid Scrabble Word

Is factorisations a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is factorisations valid Words with Friends?
Words with Friends NO

Definitions for FACTORISATIONS in dictionary:

Words related to FACTORISATIONS

factorize23

Similar words containing FACTORISATION without suffix s

factorisation18
Find what other words can be done using letters: "factorisations"
https://scrabble-word.com/finder/factorisations
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