9173
This number is a prime.
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The last known term corresponding to a(1)-a(22) in OEIS
A390417. The
sequence begins 3719, 3791, 7319, 7391, 7931, 7913, 3179,
3971, 7139, 9731, 3917, 3197, 9371, 1739, 1379, 7193, 1397,
9317, 9137, 9713, 1793, 9173. Found by Ben Chaffin in May
2026.
Submitted: 2026-06-19 22:44:09; Last Modified: 2026-06-19 23:34:04.
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