Miho Komatsu 7: Prime Number (小松未歩 7 〜prime number〜) is the seventh studio album of Japanese singer-songwriter Miho Komatsu.

Album includes previous 4 released singles, since Tsubasa wa Nakutemo till I~dare ka.

The single Tsubasa wa Nakutemo has received remix under subtitle Extravagant mix by Mr.Lee.

Compared to the single release, in the beginning the key chords are higher and in the middle of song guitar solo was specially added.

The album charted for 4 weeks and totally sold 13,807 copies.