Modular Exponentiation 3^12mod17
Enter Modular Exponentiation
Solve 312 mod 17 using:
Modular exponentiation
Build an algorithm:
n is our exponent = 12
y = 1 and u ≡ 3 mod 17 = 3
See here
n = 12 is even
Since 12 is even, we keep y = 1
Determine u2 mod p
u2 mod p = 32 mod 17
u2 mod p = 9 mod 17
9 mod 17 = 9
Reset u to this value
Cut n in half and take the integer
12 ÷ 2 = 6
n = 6 is even
Since 6 is even, we keep y = 1
Determine u2 mod p
u2 mod p = 92 mod 17
u2 mod p = 81 mod 17
81 mod 17 = 13
Reset u to this value
Cut n in half and take the integer
6 ÷ 2 = 3
n = 3 is odd
Since 3 is odd, calculate (y)(u) mod p
(y)(u) mod p = (1)(13) mod 17
(y)(u) mod p = 13 mod 17
13 mod 17 = 13
Reset y to this value
Determine u2 mod p
u2 mod p = 132 mod 17
u2 mod p = 169 mod 17
169 mod 17 = 16
Reset u to this value
Cut n in half and take the integer
3 ÷ 2 = 1
n = 1 is odd
Since 1 is odd, calculate (y)(u) mod p
(y)(u) mod p = (13)(16) mod 17
(y)(u) mod p = 208 mod 17
208 mod 17 = 4
Reset y to this value
Determine u2 mod p
u2 mod p = 162 mod 17
u2 mod p = 256 mod 17
256 mod 17 = 1
Reset u to this value
Cut n in half and take the integer
1 ÷ 2 = 0
Because n = 0, we stop
We have our answer
Final Answer
312 mod 17 ≡ 4
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What is the Answer?
312 mod 17 ≡ 4
How does the Modular Exponentiation and Successive Squaring Calculator work?
Free Modular Exponentiation and Successive Squaring Calculator - Solves xn mod p using the following methods:
* Modular Exponentiation
* Successive Squaring
This calculator has 1 input.
What 1 formula is used for the Modular Exponentiation and Successive Squaring Calculator?
Successive Squaring I = number of digits in binary form of n. Run this many loops of a2 mod pFor more math formulas, check out our Formula Dossier
What 6 concepts are covered in the Modular Exponentiation and Successive Squaring Calculator?
exponentThe power to raise a numberintegera whole number; a number that is not a fraction...,-5,-4,-3,-2,-1,0,1,2,3,4,5,...modular exponentiationthe remainder when an integer b (the base) is raised to the power e (the exponent), and divided by a positive integer m (the modulus)modulusthe remainder of a division, after one number is divided by another.
a mod bremainderThe portion of a division operation leftover after dividing two integerssuccessive squaringan algorithm to compute in a finite field
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Modular Exponentiation and Successive Squaring Calculator Video
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