And yet 21 was not factored on a real hardware. Yes it was, they used a VIC-20. Also an abacus. Not to mention a barking dog. https://eprint.iacr.org/2025/1

And yet 21 was not factored on a real hardware. Yes it was, they used a VIC-20. Also an abacus. Not to mention a barking dog. https://eprint.iacr.org/2025/1237 https://eprint.iacr.org/2025/1237