An Elementary Proof for Fermat's Last Theorem using a Transformation Equation to Fermat's Equation

Fermat’s Last Theorem states that there are no positive integers x, y and z satisfying the equation x n + y n = z n, where n is any integer > 2. Around 1637 Fermat proved that there are non-zero solutions to the above equation with n = 4. In the 18th century Euler treated the case n = 3, thereby reducing the proof for the case of a prime exponent ≥ 5 in this proof we hypothesize that r, s and t are positive integers satisfying the equation rp + sp = tp , where p is any prime >3 and establish a contradiction. We use an Auxiliary equation x 3 + y3 = z3 and create transformation equations. Solving the transformation equations we prove that only a trivial solution exists in the main equation r p + sp = tp.

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Publication Details

Journal
Indian Journal of Advanced Mathematics
Published
2025-04-26
DOI
https://doi.org/10.54105/ijam.a1192.05010425
Primary Topic
History and Theory of Mathematics
Type
article
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article

An Elementary Proof for Fermat's Last Theorem using a Transformation Equation to Fermat's Equation

Palamadai Narayanan Seetharaman
Indian Journal of Advanced Mathematics
History and Theory of Mathematics
article

An Elementary Proof for Fermat's Last Theorem using a Transformation Equation to Fermat's Equation

Palamadai Narayanan Seetharaman
article en

Abstract

Fermat’s Last Theorem states that there are no positive integers x, y and z satisfying the equation x n + y n = z n, where n is any integer > 2. Around 1637 Fermat proved that there are non-zero solutions to the above equation with n = 4. In the 18th century Euler treated the case n = 3, thereby reducing the proof for the case of a prime exponent ≥ 5 in this proof we hypothesize that r, s and t are positive integers satisfying the equation rp + sp = tp , where p is any prime >3 and establish a contradiction. We use an Auxiliary equation x 3 + y3 = z3 and create transformation equations. Solving the transformation equations we prove that only a trivial solution exists in the main equation r p + sp = tp.

Indian Journal of Advanced MathematicsVol. 5(1)
Openalex Percentile: Top 93%
History and Theory of Mathematics
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