I mistakenly thought that RSA keys could only be powers of two(1024, 2048, 4096 etc.) but a few days ago read about a 1536-bit and 1160-bit RSA key. I am wondering is it possible to have an RSA key of any bit length?(e.g 1025-bit RSA key, 1234-bit RSA key etc.) thank you.
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2possible duplicate of Why are RSA key sizes almost always a power of two? – kelalaka Dec 03 '19 at 10:06
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1Well, for one the smallest valid modulus would be 15, so there are no RSA keys with 3 bits or less. – Maeher Dec 03 '19 at 14:51