The word(s) "first" appears 63 time(s) in 59 verse(s) in Quran in Mohsin Khan translation.

(31) Then they turned to themselves (their first thought and said): "Indeed you [Ibrahim (Abraham)] know well that these (idols) speak not!"

(32) And (remember) the Day when We shall roll up the heaven like a scroll rolled up for books. As We began the first creation, We shall repeat it. (It is) a promise binding upon Us. Truly, We shall do it.

(33) "Verily we really hope that our Lord will forgive us our sins, as we are the first of the believers [in Musa (Moses) and in the Monotheism which he has brought from Allah]."

(34) And He is Allah: La ilaha illa Huwa (none has the right to be worshipped but He), all praises and thanks be to Him (both) in the first (i.e. in this world) and in the last (i.e. in the Hereafter). And for Him is the Decision, and to Him shall you (all) be returned.

(35) This Day, We shall seal up their mouths, and their hands will speak to Us, and their legs will bear witness to what they used to earn. (It is said that one's left thigh will be the first to bear the witness). [Tafsir At-Tabari,]

(36) Say: (O Muhammad صلى الله عليه وسلم) "He will give life to them Who created them for the first time! And He is the All-Knower of every creation!"

(37) Except our first death, and we shall not be punished? (after we have entered Paradise)."

(38) "And I am commanded (this) in order that I may be the first of those who submit themselves to Allah (in Islam) as Muslims."

(39) And they will say to their skins, "Why do you testify against us?" They will say: "Allah has caused us to speak as He causes all things to speak: and He created you the first time, and to Him you are made to return."

(40) Say (O Muhammad صلى الله عليه و سلم): "If the Most Gracious (Allah) had a son (or children as you pretend), then I am the first of Allah's worshippers [who deny and refute this claim of yours (and the first to believe in Allah Alone and testify that He has no children)]." [Tafsir At-Tabari].