Online RSA key generation help

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Cipher (c) Encryption is the process where message (m) is transformed in a ciphertext (c). The message (m) will be encrypted by formula:

c = me mod n

The public exponent (e) and modulus (n) together are called the public key.
The encrypted text is called the ciphertext (c).

The time it takes to encrypt the message (m) is calculated and displayed.