Could a product of 2 primes equal the product of two other different primes?
Either yes, or no, is there any proof of that?
2026-03-28 06:40:13.1774680013
Can there be any {A,B,C,D} distinct primes such that A*B = C*D?
136 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail At
1
There are 1 best solutions below
Related Questions in PRIME-NUMBERS
- New prime number
- Confirmation of Proof: $\forall n \in \mathbb{N}, \ \pi (n) \geqslant \frac{\log n}{2\log 2}$
- How do I prove this question involving primes?
- What exactly is the definition of Carmichael numbers?
- I'm having a problem interpreting and starting this problem with primes.
- Decimal expansion of $\frac{1}{p}$: what is its period?
- Multiplying prime numbers
- Find the number of relatively prime numbers from $10$ to $100$
- A congruence with the Euler's totient function and sum of divisors function
- Squares of two coprime numbers
Related Questions in MODULAR-ARITHMETIC
- How do I find the least x that satisfies this congruence properties?
- Counting the number of solutions of the congruence $x^k\equiv h$ (mod q)
- Remainder of $22!$ upon division with $23$?
- Does increasing the modulo decrease collisions?
- Congruence equation ...
- Reducing products in modular arithmetic
- Product of sums of all subsets mod $k$?
- Lack of clarity over modular arithmetic notation
- How to prove infinitely many integer triples $x,y,z$ such that $x^2 + y^2 + z^2$ is divisible by $(x + y +z)$
- Can $\mathbb{Z}_2$ be constructed as the closure of $4\mathbb{Z}+1$?
Related Questions in CRYPTOGRAPHY
- What exactly is the definition of Carmichael numbers?
- What if Eve knows the value of $S$ in digital signiture?
- Relative prime message in RSA encryption.
- Encryption with $|K| = |P| = |C| = 1$ is perfectly secure?
- Cryptocurrency Math
- DLP Relationship of primitive roots $\pmod{p}$ with $p$ and $g$
- Hints to prove $2^{(p−1)/2}$ is congruent to 1 (mod p) or p-1 (mod p)
- Period of a binary sequence
- generating function / stream cipher
- RSA, cryptography
Trending Questions
- Induction on the number of equations
- How to convince a math teacher of this simple and obvious fact?
- Find $E[XY|Y+Z=1 ]$
- Refuting the Anti-Cantor Cranks
- What are imaginary numbers?
- Determine the adjoint of $\tilde Q(x)$ for $\tilde Q(x)u:=(Qu)(x)$ where $Q:U→L^2(Ω,ℝ^d$ is a Hilbert-Schmidt operator and $U$ is a Hilbert space
- Why does this innovative method of subtraction from a third grader always work?
- How do we know that the number $1$ is not equal to the number $-1$?
- What are the Implications of having VΩ as a model for a theory?
- Defining a Galois Field based on primitive element versus polynomial?
- Can't find the relationship between two columns of numbers. Please Help
- Is computer science a branch of mathematics?
- Is there a bijection of $\mathbb{R}^n$ with itself such that the forward map is connected but the inverse is not?
- Identification of a quadrilateral as a trapezoid, rectangle, or square
- Generator of inertia group in function field extension
Popular # Hahtags
second-order-logic
numerical-methods
puzzle
logic
probability
number-theory
winding-number
real-analysis
integration
calculus
complex-analysis
sequences-and-series
proof-writing
set-theory
functions
homotopy-theory
elementary-number-theory
ordinary-differential-equations
circles
derivatives
game-theory
definite-integrals
elementary-set-theory
limits
multivariable-calculus
geometry
algebraic-number-theory
proof-verification
partial-derivative
algebra-precalculus
Popular Questions
- What is the integral of 1/x?
- How many squares actually ARE in this picture? Is this a trick question with no right answer?
- Is a matrix multiplied with its transpose something special?
- What is the difference between independent and mutually exclusive events?
- Visually stunning math concepts which are easy to explain
- taylor series of $\ln(1+x)$?
- How to tell if a set of vectors spans a space?
- Calculus question taking derivative to find horizontal tangent line
- How to determine if a function is one-to-one?
- Determine if vectors are linearly independent
- What does it mean to have a determinant equal to zero?
- Is this Batman equation for real?
- How to find perpendicular vector to another vector?
- How to find mean and median from histogram
- How many sides does a circle have?
No. Suppose that $ab = cd$ for primes $a,b,c,d$. By the definition of a prime $a \mid ab = cd$ implies that $a \mid c$ or $a \mid d$. Since $c,d$ are prime we must have WLOG $a = c$. Dividing by $c$ gives that $b = d$. Hence the claim.