Yes, FACTOID is a Scrabble word!

Letter values in Scrabble US: F 4, A 1, C 3, T 1, O 1, I 1, D 2.

Is it a valid word?

FACTOID is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

something resembling a fact; unverified (often invented) information that is given credibility because it appeared in print
a brief (usually one sentence and usually trivial) news item