It is unclear what the question is asking.
If it is asking the question "Why is God great?" using code-switching between English and Arabic, this question and its answers will differentiate by person and more can be read about it in this question.
If it is trying to ask "Why do Muslims shout Allah hu Akbar?" there are two general reasons. More commonly, it is a form for Muslims to acknowledge their humility to their Divinity and give thanks for all of the gifts bestowed upon them by God. Islamist militants also use the phrase as a way of signalling that they believed that their victory in an engagement was granted by God and that God approves of their actions.
There is NO "Allahu Akbar" word in Quran
This is all of it. I'll show it to you in English. Its in order. Allahu akbar Allahu akbar Allahu akbar Allahu akbar Ash-hadu alla ilaha illallah Ash-hadu alla ilaha illallah Ash-hadu Anna Muhammadar rasulullah Ash-hadu Anna Muhammadar rasulullah Haiya alal salah Haiya alal salah Haiya alal falah Haiya alal falah Allahu akbar Allahu akbar La ilaha illallah.
Allahu Akbar
God is the greatest
"Allahu Akbar, Allahu Akbar. La ilaaha ill-Allah. Allahu Akbar, Allahu Akbar. Wa lillaahil hamd." (Translation: Allah is the greatest, Allah is the greatest. There is no deity worthy of worship except Allah. Allah is the greatest, Allah is the greatest. And all praise is due to Allah.)
Allahu Akbar
No, there is no specific requirement to say "Allahu Akbar" to the right side. It is commonly said during prayer movements such as Takbiratul-Ihram at the beginning of prayer.
After saying "Allahu Akbar" in prayer, a Muslim should recite the opening chapter of the Quran, known as Surah Al-Fatihah.
well there is words of the quron on the walls which are words of allah and words of the prophet muhammad (pbuh) and call to prayer it goes like this Arabic call to pray Arabic Allah akbar allahu akbar allahu akbar allahu akbar ashaduna la hi la hi la hi il allah ashaduna la hi la hi il allah ashudena muhammad rousel allah ashudena muhammad rousel allah hi ya al salah hi ya al salah hi al falah allahu akbar allahu akbar ashduna la hi la hi il allah
Usually they say "Allah hu Akbar" which means "God is the greatest".
Allahu Akbar
Elite Police's motto is 'Allahu Akbar (disambiguation)'.