From c19ae6e8d56204a1c0997302c3d2a4ff281d76f2 Mon Sep 17 00:00:00 2001 From: Peter Norvig Date: Wed, 23 Sep 2026 13:27:29 -0700 Subject: [PATCH] Update image link in TruncatablePrimes notebook --- ipynb/TruncatablePrimes.ipynb | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ipynb/TruncatablePrimes.ipynb b/ipynb/TruncatablePrimes.ipynb index 323df2e..b76a1a2 100644 --- a/ipynb/TruncatablePrimes.ipynb +++ b/ipynb/TruncatablePrimes.ipynb @@ -11,7 +11,7 @@ "\n", "What's special about [this pencil](https://mathsgear.co.uk/products/truncatable-prime-pencil)?\n", "\n", - "[![](https://community.wolfram.com//c/portal/getImageAttachment?filename=IMG_20181212_120939.jpg&userId=143131)](https://community.wolfram.com/groups/-/m/t/1569707)\n", + "[![](https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQju3c-tDhXMmfLbaaogGvcEChC4mAj2LWOCQTGhZA6SQ&s=10)](https://community.wolfram.com/groups/-/m/t/1569707)\n", "\n", "The 24-digit number printed on this pencil is a prime, and as you sharpen the pencil and remove digits one at a time from the left, the resulting numbers are all primes:\n", "\n",