Most Prussians were Lutheran, but there was a sizable Catholic minority and a small Jewish minority.
Prussia does not exist anymore, look into Hetalia history Cartoons if you are old enough to watch cartoons about war and history.
Roman Catholic & Protestant
Prussia was the name of the second largest state in the Holy Roman Empire from about 1740-1800 and in the German Confederation of 1815-1866. It formed the basis of the the German Reich created by Bismarck in 1871.
They are all Abrahamic religions.
There are no two books common to all religions. Actually there is no one book common to all religions. Though many religions do not totally dismiss the writings of other religions, they do not hold them at the core of their belief system.
We recognize all religions. Lutheranism is the most common.
They are monotheistic religions.
Christianity.
Prussia was a kingdom form 1701 until 1918. It has an absolute monarchy from 1701 until 1848 and a constitutional monarch after 1848.
They are both religions.
After Hinduism and Islam, the next most common religions in India are Christianity, Sikhism, Buddhism, and Jainism. These religions have significant followings and historical roots in the country.
The most common religions in Japan are Buddhism and Shintoism, though most Japanese do not self identify as singular adherents of a particular religion.
Many observers and commentators place Buddhism in the boundary between religion and philosophy:It has no god(s) which are usually required in a religionIt has an eternal part to homan life (essentially a soul) which is common in religionIt proposes a moral code (common to religions and philosophy)It as no creation myth as do most religions
Christianity (40%) and ethnic religions (40%) are most common, but there is also Muslim (20%).