The word(s) "three" appears 30 time(s) in 27 verse(s) in Quran in Mohsin Khan translation.

(21) Has the story reached you, of the honoured guests [three angels; Jibril (Gabriel) along with another two] of Ibrahim (Abraham)?

(22) And you (all) will be in three groups.

(23) Have you not seen that Allah knows whatsoever is in the heavens and whatsoever is on the earth? There is no Najwa (secret counsel) of three but He is their fourth (with His Knowledge, while He Himself is over the Throne, over the seventh heaven), nor of five but He is their sixth (with His Knowledge), nor of less than that or more but He is with them (with His Knowledge) wheresoever they may be. And afterwards on the Day of Resurrection He will inform them of what they did. Verily, Allah is the All-Knower of everything.

(24) And those of your women as have passed the age of monthly courses, for them the 'Iddah (prescribed period), if you have doubt (about their periods), is three months; and for those who have no courses [(i.e. they are still immature) their 'Iddah (prescribed period) is three months likewise, except in case of death] . And for those who are pregnant (whether they are divorced or their husbands are dead), their 'Iddah (prescribed period) is until they lay down their burden; and whosoever fears Allah and keeps his duty to Him, He will make his matter easy for him.

(25) So I swear by the Lord of all the [three hundred and sixty-five (365)] points of sunrise and sunset in the east and the west that surely We are Able

(26) Say (O Muhammad صلى الله عليه وسلم): "It has been revealed to me that a group (from three to ten in number) of jinn listened (to this Qur'an). They said: 'Verily, we have heard a wonderful Recitation (this Qur'an)!

(27) "Depart you to a shadow (of Hell-Fire smoke ascending) in three columns,