RSA Key Strength
Calculate RSA Key Strength instantly with the exact formula and a worked example.
RSA Key Strength
p (prime)
q (prime)
n = p·q
221
More about: RSA Key Strength
What it calculates
The “RSA Key Strength” calculator computes n = p·q from 2 parameters: p (prime), q (prime).
Standard IT calculations for developers and sysadmins.
Example calculation
With parameters p (prime) = 13, q (prime) = 17 the result is 221 (φ(n) = 192).
How to use
- Enter p (prime) and q (prime) — each field above is adjustable with a slider.
- n = p·q is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is RSA Key Strength calculated?
The RSA Key Strength calculator computes n = p·q from p (prime), q (prime). Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the RSA Key Strength calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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