c# RSA extract public key from private key

Question

Is there a way to extract public key from private key in c#? Becouse if i do ToXMLString() then i can set if i want public key information saved with the privat

Answer 1

Take the modulus from the private key, and the public exponent is - most likely - 65537. All Microsoft cryptosystems I've seen so far produce public keys with that exponent. The combination of public exponent and modulus is the public key.