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10512...10231 (24-digits)
This number is a prime.
1051 2013615317 1190210231
Just showing those entries submitted by 'Gupta': (Click here to show all)
The smallest prime formed from concatenation of eight
consecutive triangular numbers, i.e., 105, 120, 136, 153,
171, 190, 210 and 231. [Gupta]
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