Who knows one hundred three?
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Yeravam (the first king of the Ten Tribes, a brilliant Torah scholar but a wicked person) knew how to explain each concept in the Book of Vayikra in 103 different ways.
(Appropriately enough, this statement appears in the Gemara Sanhedrin on page 103 b.)
The last two dynasties that governed Israel prior to the Second Temple's destruction maintained their rule for 103 years (Avodah Zara 9a): The Chashmonaim from 140 BCE to 36 BCE, and the Herodians from 36 BCE to 68 CE.
Mincha = 103
Avimelech = 103
Nechama = 103