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A ‘prime’ number, indeed!

Mersenne primes – prime numbers of the order of 2n–1 – are considered significant in decoding encrypted data. Currently, there are 49 such numbers (the square of, again, a Mersenne prime). The most recently discovered number equals to 274,207,281–1, which also holds the record for the longest prime number, with nearly 24,000,000 digits! The Mersenne…

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‘Mohenjo-Daro’ or ‘the mound of the dead’

The people of the Sindh province of current-day Pakistan were the ones who coined the name ‘Mohenjo-Daro’. The name, in Sindhi, means ‘the mound of the dead’. Mohenjo-Daro, the 5000-year-old ‘modern’ city, of the Indus Valley Civilization, was discovered by Indian archaeologist Rakhaldas Bandyopadhyay, better known as R.D. Banerji. While working in the Sindh province,…

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