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John and Gary are playing a game. John spins a spinner numbered with integers from 1 to 20.

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#divisor-sum #least-common-multiple
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Reason for LCM of all numbers from 1 .. n equals roughly $e^n$

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#number-theory #exponential-function #least-common-multiple
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Find the least number which when divided by 2, 3, 4, 5, 6 leaves a remainder of 1 but it is divided by 7 completely.

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#puzzle #least-common-multiple
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Finding the possible Least Common Multiples of of numbers with Highest Common Factor 8

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#elementary-number-theory #divisibility #gcd-and-lcm #least-common-multiple
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Computing $\mathrm{lcm}(2,3,6)$

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#least-common-multiple
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Uniqueness of the least common multiple

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#elementary-number-theory #least-common-multiple
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Show that $\rm lcm(a,b)=ab \iff gcd(a,b)=1$

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#elementary-number-theory #divisibility #gcd-and-lcm #least-common-multiple
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Order and Least Common Multiple Abelian Question

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#proof-verification #abelian-groups #least-common-multiple
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Run time/Efficiency of finding Least Common Multiple

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#elementary-number-theory #algorithms #asymptotics #least-common-multiple
458
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If $\text{lcm}(a,b,c,d)=a+b+c+d$, then $\gcd(abcd,15)>1$

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#elementary-number-theory #least-common-multiple
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LCM of Fibonacci numbers

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#fibonacci-numbers #least-common-multiple
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What does a distributed lattice have to do with GCD and LCM?

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#discrete-mathematics #divisibility #lattice-orders #least-common-multiple
134
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Is it possible to solve a puzzle using lcm?

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#least-common-multiple
195
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Why does the least common denominator work?

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#arithmetic #fractions #least-common-multiple
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Prove a ≡ b mod m ∧ a ≡ b mod n ⇒ a ≡ b mod lcm(m,n) (Stuck midway through solution)

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#discrete-mathematics #congruences #least-common-multiple

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