it is mentioned 77 times

According to Islam, Muhammad was the final prophet of Islam and the Qur'an was Allah (god's) final revelation.

According to Christianity and Judaism (the other monotheistic Abrahamic faiths) the Qur'an was not a book of God.

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Christianity and Judaism religions do not deny neither the Islam religion nor the Quran. Many Christiand and Jews believe in Quran as Allah (God in Englisgh and same God in Christainity and Judaism) true revelations although they don't convert to Islam.

115 plus 115 = 230

1 × 115 = 115

5 × 23 = 115