No. The O has a schwa-R sound (er/ur) in factors. The long O is also R-shaped in the word factorial, where the O is a stressed vowel.
The O in 'who' is long, but it isn't a long 'o'. It's a long 'u'.
The word "note" has a long o sound.
The word "robe" has a long o sound.
The word "gone" has a long 'o' sound.
Yes, "flower" is a word with five letters, so it is not considered a long O word. It has the O sound, but it is not a long O sound.
No, "toe" is not a long o word. The o in "toe" is pronounced as a short vowel sound.
No. It is a long OO word as in cool and pool. The long O is heard in roll and toll.
The word "float" has a long o sound.
Long o.
The 'o' is long
Neither. It is a long OO (long U) sound.
Neither. The OO has a long OO (long U) sound as in doom and broom.